Alternatives to PDF Viewer Pro
Compare PDF Viewer Pro alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to PDF Viewer Pro in 2026. Compare features, ratings, user reviews, pricing, and more from PDF Viewer Pro competitors and alternatives in order to make an informed decision for your business.
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MobiPDF (formerly PDF Extra)
MobiSystems
MobiPDF (formerly PDF Extra) is an intuitive and powerful PDF editor and reader designed for today’s modern user - the cost-efficient alternative to Adobe Acrobat Pro you’ve been looking for. FEATURES OVERVIEW: PDF Viewer and Reader: Switch between page views or use "Read Mode" for distraction-free reading. Create and Edit PDFs: Modify text and images or start with a blank PDF. Convert to Office Formats: Easily turn PDFs into Word, Excel, PowerPoint, and image files. Leverage OCR: Transform scanned documents into searchable PDFs. Organize PDFs: Combine, split, reorder, and compress documents. Markup and Comment: Highlight, annotate, and add bookmarks or stamps. Fill PDFs: Seamlessly fill forms or create ones from scratch. Sign PDFs: Sign your documents anywhere—no ink required! Secure Your Work: Protect files with passwords, digital signatures, and 256-bit encryption. Offline Mode: Full functionality without internet access. Translate PDFs -
2
RAD PDF
Red Software
Add a fully functional PDF editor to your ASP.NET website in minutes! Compatible with 99% of desktop & mobile browsers, from Internet Explorer 6 through the latest iOS Safari release, RAD PDF simply works. No plugins or other software needed. RAD PDF natively supports the most commonly used PDF features. Beyond a PDF reader, RAD PDF equips web applications with a browser-based PDF editor & PDF annotator. Features not even available in Adobe Acrobat Reader can be used to provide advanced PDF functionality. By enabling PDF form filling, PDF redaction, & PDF signing directly in the web browser, RAD PDF users can utilize PDF features without worrying about having the right platform or software installed! Allow your app to design new PDF forms, protect content, sign PDFs, & more using an intuitive graphical user interface (GUI). Client (JavaScript) and server APIs allow for endless possibilities .NET Core, Framework, & .NET 5+ supported Try editing any PDF with RAD PDF, FREE! -
3
Pdftools
PDF Tools
Whether you have thousands of documents or millions, Pdftools has the products and services to help make processing a breeze. Designed for document-heavy industries, Pdftools’ suite of SDKs and APIs are here to make your document workflows easier, faster, and stress-free. Built on SDKs and APIs, the Pdftools products integrate seamlessly into your existing (or new) systems and applications. Process thousands of documents every minute. Our tools are precision-engineered to be efficient and run at blazing speeds. We’re engineers at heart, so we’re only satisfied with the most reliable, orderly, and usable, and well-documented platforms. Shrink file sizes down, but keep the quality and interactivity. Your documents will always be compliant for long-term archiving. We’ve obsessed over every detail in our products, and documented everything so it’s easy to get started.Starting Price: $0/month/user -
4
PrizmDoc
Accusoft
Through a collection of UI components and content manipulation APIs, PrizmDoc provides customizable document processing to help developers deliver in-browser document creation, editing, and collaboration functionality, to enhance their software applications. Our functionality integrates on the client and server side smoothly, creating a seamless experience for both you and your users. Render and display dozens of file types, from Adobe PDFs and Microsoft Office files to CAD and DICOM formats, in a browser without the need to download or open native applications. Designed for seamless integration with your application, our zero footprint HTML5 viewer is fully customizable, from quick integrations with minimal configuration to complete programmatic control using our extensive JavaScript API. -
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PDF Studio
Apryse
PDF Studio is a powerful and affordable PDF editor that effortlessly caters to both simple and complex PDF tasks. From adding text, various annotations, watermarks, and digital signatures to filling out forms and converting MS Office to PDF, it covers all your needs. The PDF editor is perfect for companies and organizations looking to seamlessly automate their PDF editing and eliminate repetitive daily tasks with batch processing of multiple documents. Empower your team with perpetual PDF software at a fraction of the cost compared to competing subscription-based solutions like Adobe® Acrobat®. NEW: Qoppa PDF Studio 2023 released! The latest version, PDF Studio 2023, offers impressive enhancements, including support for Dropbox Team Spaces, improved enterprise deployments, expanded multi-document functions, a new highlighter marker tool, and optimization options for smaller document sizes. Available on Linux, Windows, macOS, and other major platforms.Starting Price: $99.00 -
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PDF Studio Viewer
Qoppa Software
PDF Studio Viewer is a cross-platform PDF reader that is reliable and easy to use. PDF Studio Viewer can annotate PDF documents and fill interactive forms. For more editing features, Qoppa Software publishes PDF Studio Standard and Pro editions. Features: -Display PDFs with high fidelity -Annotate & Markup PDFs -Fill & Save Forms -Render Digital Signatures & Layers -Advanced User Interface -Advanced Print & Search Options -Document Storage Integrations -DocuSign© Integration -
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JPedal
IDR Solutions
JPedal is a versatile Java PDF Library for displaying, converting, printing, and parsing PDFs in Java applications. With over 20 years of development, it supports a wide range of PDF files. Key features include: -PDF to Image Conversion: Converts PDFs to images in various formats. -Java Swing PDF Viewer: Offers multi-page display, search, printing, and annotation editing. -Text and Image Extraction: High-quality extraction of text and images from PDFs. -PDF Search: Supports searching with wildcards and regular expressions. -Form & Annotation Handling: Supports XFA and AcroForms, enabling form data access and annotation editing. -Document Manipulation: Allows deleting, merging, splitting, and optimizing PDFs. -Security & Performance: Runs locally without third-party dependencies, processing PDFs up to 3x faster than alternatives.Starting Price: $950 one time fee -
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Flexcil
Flexcil
Flexcil is a study toolkit that allows PDF annotation, notes creation, and convenient sharing with others. Review and utilize PDFs to study effectively. Use PDF reader, digital note, annotation, and reference manager in one page. Use simple Gestures UX to annotate PDF and organize notes efficiently without interruption. Save time to read, organize, and edit materials. Use the time saved to concentrate on your study. You don’t have to go through Apple’s default complex process! With Flexcil, you can select text and images, and take notes by intuitive pen gestures. By combining PDF reader and digital note, you can view the PDF while dragging elements from it to your notes at the same time and organize them easily. Edit PDFs to your taste by merging, adding, and moving. You can also edit Notes as well! All resources organized in Flexcil such as texts, images, and notes are linked systematically to trace your data easily and quickly. -
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UPDF
Superace Software Technology Co., Ltd.
UPDF supports editing, annotating, and managing PDF seamlessly on for Windows, Mac, iOS and Android. You can get every tool you need to edit, annotate, and organize your PDF files in one premiere all-rounder smart application. It is explicitly designed to meet the desire of most users for a stunning yet very comprehensible interface that is not just only for beginners. Key Features: 1. Edit PDF Document - You can add or delete texts as well as edit the text's properties and formats such as its font style, font color, and size. - You can also crop, rotate, replace, extract or delete images. 2. Annotate PDF - Easily highlight, underline, and strike out those parts. You can also add shapes, sticky notes and text boxes for a quicker and easier means of adding texts. 3. PDF Page Management - Rotate, delete, extract and rearrange PDF pages as you need. 4. View and Navigate PDF Files - Flexible reading mode such as single page mode or double-page mode.Starting Price: Free -
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LiquidText
LiquidText
Review documents faster. Find facts effortlessly. See the connections others miss. Go past the limits of paper with LiquidText. Note-taking and document analysis tools have changed little from the margin notes, highlighting, and sticky notes we have used forever. Most apps today try to duplicate paper, but, in spite of this, over 80% of knowledge workers still prefer paper at work and school. LiquidText moves beyond paper. It captures your reading, notes, highlights, annotations and observations just like paper; but goes further to reveal their connections, to source materials and each other in a way that documents and maps your project in a clear and shareable form. We connect related notes into ideas, and we connect your ideas into reports. Every note, idea and observation can be connected to others, and a single tap can show those relationships and original context.Starting Price: $7.99 per month -
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FreePDF
SoftMaker
The free PDF editor for personal and business use. Create, edit, view, print and annotate PDF files... free of charge! Do you want to insert pictures into a PDF file? Do you want to change the order of pages in a PDF? Do you want to add new pages or delete existing ones? You can do all of these things with FreePDF! FreePDF can perform the following tasks for you: Rearrange the order of the pages in a PDF file, insert pages from other PDFs or remove pages. Insert pictures and drawings into your PDF and position them as desired. Customize the layout of PDF files by rearranging, moving and removing text and pictures. ... and much more! Of course, FreePDF is also a great PDF viewer that lets you view and annotate PDF files quickly and conveniently. The built-in PDF printer driver creates PDF files from any Windows application. In addition, FreePDF supports the secure encryption of PDFs. -
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GoodReader
GoodReader
Professional tool for creating, converting, editing, and annotating your PDF files. GoodReader® is a file viewer with many powerful features, most of which address PDF and TXT viewing. GoodReader® is a super-robust PDF editor app for iPad, iPhone and iPod touch. Its iPad version was the #1 selling non-Apple app for iPad in 2010 in the USA, and all those years we`ve been adding new features, keeping it the best mobile productivity tool on the market. And we`ve got a lot more to come! With GoodReader on your iPad/iPhone, you can read virtually anything, anywhere, books, movies, maps, pictures. Use it once and you`ll be hooked. If you work with documents, soon you`ll be wondering how you ever managed to use your iPad or iPhone without GoodReader. GoodReader can automatically sync individual files and entire folders to their remote versions hosted on online servers. GoodReader also supports e-mail server access, and e-mail attachment downloads. -
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PDF Annotator
GRAHL software design
Add notes & annotations to any PDF document - comments, corrections, signatures, highlighting, even photos, designs and drawings. Comments, corrections, signatures, highlighting, even photos and drawings. Share them with coworkers, email them to clients, partners or back to authors. Remove or hide all markup with a single click. Combine documents, copy, re-order or remove pages. Deliver outstanding interactive presentations in meetings or lectures with PDF Annotator as your "digital whiteboard". Make a short comment on a long document. Fill in or sign a form or agreement, and return it by email. Proofread, review and correct a document right on your screen. Make notes and drawings right on the pages. Grade student papers right on your PC, laptop or Tablet PC.Starting Price: $69.95 -
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Foxit PDF Reader
Foxit Software
Whether you're a consumer, business, government agency, or educational organization, you need to read, create, sign, and annotate (comment on) PDF documents and fill out PDF forms. Foxit PDF Reader is a small, lightning fast, and feature rich PDF viewer which allows you to create (free PDF creation), open, view, sign, and print any PDF file. Foxit Reader is built upon the industry's fastest and most accurate (high fidelity) PDF rendering engine, providing users with the best PDF viewing and printing experience. Available in English, Dutch, French, German, Italian, Portuguese, Russian, and Spanish. Sign documents in your own handwriting or utilize eSignature and verify the status of digital signatures. Be safe from vulnerabilities by utilizing Trust Manager/Safe Mode, ASLR & DEP, Disable JavaScript, and Security Warning Dialogs. Integrate with leading cloud storage services and popular enterprise CMS.Starting Price: $8 per month -
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jPDFViewer
Qoppa Software
Integrate a PDF reader right into your Java application or website. jPDFViewer is a self contained Java component that can be deployed in a Java application or a web application (in a web page as an applet, or a Java webstart application). Since it is written in Java, it allows your application to remain platform independent and run on Windows, Mac, Linux and Unix. jPDFViewer can load documents from files on a local or network drive, from a URL and from Java input streams for documents that are generated runtime or come from other sources, such as a database. Main Features: Read and display PDF files on any platform that supports Java Print PDF files Fill interactive PDF forms View all markup annotations Validates and displays digital signatures Text search and selection Advanced tools: zoom, loupe, snapshot, pan and zoom Easy navigation with different views: thumbnails, bookmarks, annotations... Customizable toolbar and user interface Support for all image typesStarting Price: $2,000 -
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KDAN PDF
Kdan Mobile Software
KDAN PDF (formerly PDF Reader) is your all-in-one PDF solution. Edit, sign, OCR scan, convert, annotate, and fill forms in PDF documents. With innovative AI features, speed up your document workflow! Designed for Mac, iPhone, and iPad, KDAN PDF is trusted by millions for its comprehensive features and efficiency. AI FEATURES: • Analyze and extract key information or tables from a PDF, then convert the data into spreadsheets for further analysis or visualization. • Chat with PDF and get document analysis, advice, new ideas, or content summary • Text redaction - automatically identify and block sensitive information in a documentStarting Price: $59.99/year (billed annually) -
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Adobe Acrobat Reader
Adobe
View, sign, collaborate on, and annotate PDFs with our free Adobe Acrobat Reader. Only with Adobe Acrobat Reader you can view, sign, collect and track feedback, and share PDFs for free. And when you want to do more, subscribe to Acrobat Pro. Then you can edit, export, and send PDFs for signatures. Do more than just open and view PDF files. It’s easy annotate documents and share them to collect and consolidate comments from multiple reviewers in a single shared online PDF. Work on documents anywhere using the Acrobat Reader mobile app. It’s packed with all the tools you need to convert, edit, and sign PDFs. You can use your device camera to capture a document, whiteboard, or receipt and save it as a PDF. Acrobat Reader is connected to Adobe Document Cloud, so you can work with your PDFs anywhere. You can even access and store files in Box, Dropbox, Google Drive, or Microsoft OneDrive.Starting Price: $1.95 per month -
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PrizmDoc for Java
Accusoft
Take your viewing to the next level with Accusoft’s PrizmDoc® for Java—a powerful document viewer with support for all popular document and image types. The HTML5 document viewer streamlines your processes with robust functionality, including annotation, redaction, split & merge, and so much more. -
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Nebo
Nebo
Turn handwritten notes into professional documents with the world's best write-to-text conversion. Add PDFs to your notebooks, mark them up and export to PDF with your annotations in place. Write and draw freely on an infinite canvas, then copy content for reuse on other pages or in other apps. From boardroom to lecture hall, project plan to daily diary, Nebo makes note-taking smarter, more efficient and more enjoyable. Take your notes with you everywhere. Download the new companion app for iPhone to read, search and share content on the go. Download and enjoy Nebo on Apple silicon devices! Available free from the iPhone and iPad apps section of the App Store. You can now add highlights to titles as well as colored, bold and underlined text. Touch and hold with the marker to change the color of highlights, words, strokes, diagram shapes and math symbols. -
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iAnnotate
Folia
Annotating while you read is a powerful way to process and retain information. iAnnotate features the most comprehensive set of tools so you can highlight, draw, stamp, underline, and more with the touch of a finger. Whether you keep them on-device or in the cloud (Google Drive, OneDrive, Dropbox, and more) iAnnotate helps you access all the files you need. Microsoft Office files, Google Docs, images, no problem! iAnnotate automatically converts files to PDF to keep you productive! You need to share different things for different audiences, and we get that! iAnnotate gives users granular control over what you share, and who you share it with. Share your work, your way. Juggle multiple documents, rapidly switch between tools, mark it up, and send it back to your boss faster than you can say, “Have this on my desk by 5!” Our annotations follow the PDF standard, so other full-featured PDF applications will let you see and work with annotations created in iAnnotate. -
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TechPDFKit
PDF Technologies
Seamlessly enable high-performance PDF viewing, annotating, editing, signing, and more in your apps or any mobile, desktop or server framework. Build on a modern tech stack that integrates tightly with the platform you're working on. We grow with you as your requirements change and your project evolves. Maintain a smooth viewing experience in even the most complex PDF documents with a fast and battle-tested rendering engine. Lightning-fast search delivers near-instant results to your users. Markup PDFs with highlights, stamps, and comments, draw and add notes to PDFs, or create custom annotations. Make use of many more annotation types, each with its own style controls. Apply electronic and digital signatures in PDFs to speed up paperless workflow and secure document signing. Certify, and validate certificate-based documents you receive. Automatically detect font and size of the original text content. Easily update PDF documents by changing text and images. -
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PDF-XChange
Tracker Software Products
The smallest, fastest and most feature-rich free PDF viewer/editor on the market. Create, view, edit, annotate, OCR and digitally sign PDF files - and that's just the beginning. Please see below for a breakdown of the main features of PDF-XChange Editor. More than 70% of the features in PDF-XChange Editor do not require a license to use. The remaining features, which are clearly identified, will place a 'trial' watermark on output if they are used without a license. PDF-XChange Editor Plus includes additional functionality for the creation and editing of fillable forms, the creation of customizable dynamic stamps, and an Enhanced OCR plugin.Starting Price: $46.50 one-time payment -
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Sizle
Sizle
Sizle helps you share mission-critical documents more safely and effectively. Add documents quickly and accurately in one click, even large, complex files at over 1GB+ or 10,000+ pages. Easily annotate, convert, merge and customize documents with powerful markup and editing tools. Choose a sharing method, set viewer identification rules and stay on the pulse with real-time viewer analytics.Starting Price: $0 -
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Slides
Slides
Slides is a suite of modern presentation tools, available right from your browser. Unlike traditional presentation software, there's no need to download anything. Working with collaborators to make an awe-inspiring presentation has never been easier. In a meeting, conference call or on stage? With Live Present Mode, you control what your viewers see. You can even use your phone as a remote control with direct access to your speaker notes. Slides is used daily by professionals all over the world to speak at conferences, share pitches, school work, portfolios and so much more. Join today and try it out for free. Guide your audience through presentations with freehand annotation. Drawings broadcast to your audience in realtime. -
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Slim PDF Reader
Apryse Software
Copy and paste PDF text, annotate PDFs, fill out interactive PDF forms, and validate digital signatures you receive on Windows, Mac, and Linux with a lightweight & completely free Slim PDF Reader. It comes with a Dark theme setting that will help you save battery on a laptop and reduce eye strain, a full range of advanced and customizable annotation tools, various document navigation tools, search and print features, ability to copy text for pasting into another application, snapshot tool, interactive PDF form filling and signature verification features. Slim PDF Reader is one of the smallest desktop PDF readers (download size only 15 MB), 100% bloatware free, fast and easy on system resources.Starting Price: Free -
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MuPDF
Artifex Software
Add powerful PDF functionality to all of your software application projects. MuPDF is a highly versatile, customizable PDF SDK that can be used as a PDF renderer, viewer, or library. The tiny footprint and lightning-fast performance make MuPDF a perfect fit for mobile browsers, eBooks, and embedded applications where small size is key. MuPDF supports a variety of interactive features including annotations, form filling, digital signatures, redactions, text search, and progressive loading. The wide range of input and output formats and our full range of platform support deliver a flexible solution to easily and successfully fulfill your project’s unique needs. MuPDF supports PDF, XPS, OpenXPS, EPUB, FictionBook 2 and CBZ. The MuPDF API easily integrates with all of the major platforms including Android, iOS, Linux, macOS, OpenBSD, and Windows. C++ and Python bindings have been added making it easy to use the MuPDF library from these languages.Starting Price: $749/per platform* -
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MarginNote
MarginNote
Integrating powerful tools for book annotation, mind mapping, flashcards and more, to build up your reading notes as never before. A brand new e-reader to better study and digest your books. Document for book management and light read-annotation; study notebooks with a full set of the toolkit. Easily create a note by selecting book text. Emphasize text keywords and instant access to a built-in research browser. Regroup and merge notes, linking and re-mapping the way you want. Turn your notes into flashcards to study wherever you go. Word, PDF, Evernote, OmniOutliner, Anki, iThoughts, Xmind, Mindnode. MarginNote is available on Mac, iPad, and iPhone, and they all have almost the same features. All content will be automatically synced when switching from one device to another with iCloud enabled. MarginNote even supports Wifi transfer, so you can one-click sync multiple notebooks & books or the whole library. -
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FlowPaper
Devaldi
Bring your static PDF content to life. Responsive digital publishing. The web PDF viewer and digital publishing suite. Convert your catalog, brochure or magazine into a beautiful responsive online publication. Convert PDF documents into interactive online viewing experiences. This web based PDF viewer is specialized in magazines, catalogs, brochures and other high quality print documents. It brings your publications online while preserving the original document layout. Embed this viewer to provide a beautiful seamless viewing experience for your visitors as they flip through your publication. Convert your PDF catalogs to HTML5 to reach maximum readability, speed and text sharpness. Don't let your website visitors wait for large PDF or image files to download, this viewer optimizes your documents for online use and minimizes loading time. The viewer provides both slide and flipbook modes as viewing experiences. -
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RadPix
Weadock Software
RadPix is a radiological teaching file system which can be integrated into any PACS environment. It allows users to send selected images directly from the PACS to a stand-alone teaching file webserver. Complete radiological teaching files can be created by adding text, annotations and images. Annotations are added using built-in drawing software, designed for radiologists. Images can be exported as JPGs, PowerPoint files, Image Stacks in PowerPoint files and videos. Publication quality TIFF images with annotations are easily created and downloaded. Cases can be grouped into presentations, which then can be shown in a live setting, or used for testing purposes. Users can scroll through stacks of images, change window and level settings, toggle annotations on and off the images, and answer questions. Getting images from a PACS doesn’t need to be a chore! Our complete software solution starts with cases as they are read, and ends with endless educational opportunities.Starting Price: $199 one-time payment -
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Autodesk Viewer
Autodesk
Autodesk Viewer supports most 2D and 3D files, including DWG, STEP, DWF, RVT, and SolidWorks. Quickly get the feedback you need with Autodesk Viewer's lightweight drawing and annotation tools. Autodesk Viewer lets you access and collaborate on your designs from any device or operating system. View DWG files or convert them to work with older versions of AutoCAD software. Add Design Review to mark up 2D and 3D files without the original design software. For greater flexibility consider Autodesk Viewer or AutoCAD web app. Get quick, anytime access to CAD drawings with the AutoCAD web app. View, edit, share, and create DWG files in a web browser on any computer. No software installation required. Use the drafting tools and commands you're used to. -
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eViewer
MS Technology
eViewer is a leading enterprise HTML5 document viewer that enables organizations to deliver web-based document rendering, manipulation, and collaboration to any application or ECM system. Built with AngularJS and HTML5, eViewer provides a zero-footprint solution requiring no downloads or installations. Through extensive RESTful, JavaScript, and TypeScript APIs, users can perform essential operations including append, rotate, drag-and-drop reordering, splitting, merging documents, and more. Advanced features include annotations with rubber stamps, and sticky notes; secure digital signatures; and AI-powered redaction for GDPR and CPRA compliance. Render PDF, TIFF, MS Office, IBM MODCA, AFP, and more. Support includes audio/video playback. Client-side processing reduces server load for faster performance across any device and browser. Deploy on-premise, in the cloud, or hybrid. Integrate with IBM ECMs, OpenText, Microsoft SharePoint, and others. Fully customizable viewer. -
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RedBrick AI
RedBrick AI
RedBrick AI is a Collaborative & Rapid Medical Data Annotation platform. Purpose-built platform to help Healthcare AI teams build high-quality training datasets for all types of radiological imaging, including **CT, MRI, X-ray, Ultrasound, Fluoroscopy, and other standard imaging. Along with native support for medical data formats such as DICOM and NIfTI and can handle complex tasks like multi-series annotation and extensive DICOM studies. Our platform provides the most advanced and user-friendly 2D & 3D web-based annotation tools, with a PACS-like viewer. All common annotation use cases such as instance/semantic segmentation, landmarking, classification, and ROI measurements, are supported to accelerate annotation by up to 60%.Starting Price: $300/month/user -
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FastStone Capture
FastStone
FastStone Capture is a powerful, lightweight, yet full-featured screen capture tool and screen video recorder. It allows you to easily capture and annotate anything on the screen including windows, objects, menus, full screen, rectangular / freehand / fixed regions as well as scrolling windows / web pages. It also allows you to record all screen activities including onscreen changes, speech from microphone, audio from speakers, mouse movements and clicks into highly compressed video files. You can choose to send captures to editor, file, clipboard, printer, email, OneNote / Word / Excel / PowerPoint document or upload them to your website. Editing tools include annotating (texts, arrowed lines, highlights), resizing, cropping, sharpening, watermarking, applying edge effects and many more. Other features include image scanning, global hotkeys, automatic filename generation, support for external editors, a color picker, a screen magnifier, a screen crosshair and a screen ruler.Starting Price: $19.95 one-time payment -
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DWG Viewer
Microspot
Microspot DWG Viewer is an easy to use app for viewing your AutoCAD DWG and DXF files from your PC on the Mac. Open your DWG and DXF files with ease and without file size restrictions, then annotate them with your own comments. In addition you’ll be able to save your annotated DWG files as an flattened scaleable PDF file. Microspot DWG Viewer has had a huge overhaul, to bring you the most easy-to-use and precise DWG viewer app yet. The new features in the latest version range from a complete interface update, bringing more speed and power to the addition of new tools to make navigating, measuring and working with you DWG files easier. Our main focus is to provide a fast and easy to use solution to opening your DWG files. We understand that not everyone knows what scales and units are, especially when working with complex drawings. We’ve designed a system that automatically opens your DWG files with the most relevant scale and units.Starting Price: $19.99 -
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Flipped
Crucial Human
Create engaging video lessons for virtual learning. FREE to all K-12 educators! Flipped allows you to create engaging recorded lessons for both virtual and in-person classes. Mix video, slides, images and annotate as you record your lesson and add poll questions to assess learning! Create Flips by mixing your webcam video and audio, slides, images. Annotate your slides on the built-in whiteboard. No download or plug-ins required! When you are finished recording, you can add a description and set access settings. You can add poll questions at specific points in your Flip. Viewers will be prompted to answer your poll questions when they reach that point in the Flip. Once you have published your Flip, distribute and share the Viewer URL. You can share your Flip via e-mail or post it on your favorite Learning Management System. Track your students' progress over time. See who viewed your Flip and how long they watched. Assess learning by viewing responses to your poll questions. -
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BeWell Digital
BeWell Digital
Doctors and radiologists can view images digitally using a web-based DICOM viewer. Get the exact quality image you need to make an accurate diagnosis. Let the users of Radiologists, Surgeons, Doctors & Patients share the studies with each other without using film printing. The interface is intuitive and easy to use and includes image-viewing features like zooming, rotating, annotation and panning. Compare two sets of images using any combination of 2D, sagittal, and coronal views. Obtain frequent upgrades & enhancements of the viewer at no cost. Enhance the quality of patient care and increase productivity by using customized report templates that include annotated images. A complete and connected radiology experience that’s easy to use. BeWell Digital reduces the workload of your technicians by over 30% as it takes for integration between systems. -
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Dossiere
Dossiere
Dossiere is a highly secure and feature rich electronic solution that provides access to board, executive and confidential papers. Using an unparalleled document security system you can easily view, annotate, share and collaborate on important documents seamlessly. Dossiere makes organising and distributing meeting agendas simple and efficient. Create meetings, agendas and upload documents for your meeting attendees to review and annotate before the meeting begins. Allow your teams to collaborate and share their comments securely with each other. Documents can be bundled and accessed securely for review pre meetings. Dossiere gives you the control over how to consume and collaborate around the documents, videos and audio files that are delivered to your device. View images, video and audio files at the same time that you are reviewing the relevant documents. Create document annotations or timeline annotations in your audio and video files. -
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eReview
Neudesic
The first Web-based tool that enables users to View, Annotate and Print over 200 document formats. Allows multiple reviewers to view-markup the document at the same time! The first Web-based view and redline tool that not only lets users View, Annotate and Print over 200 document formats but also allows multiple attendees or reviewers to view/markup the document at the same time! One application for everything. One application to access all formats in the enterprise. One application to view, markup, print, and collaborate on a host of files. One application, an entire solution. Paperless digital sharing, review, markup, redact, and approval of documents. Enables faster decision-making by keeping all stakeholders updated. Supports visual workflows and collaboration. Robust, Enterprise Ready, Scalable, Distributed Architecture. Its modular architecture supports a range of configurations-from a simple viewer to a complete collaborative platform.Starting Price: $100 one-time payment -
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iLite Infosoft PDF Utility
iLite Infosoft
PDF Reader - PDF Tools an ultimate combination of 17 PDF Tools & Utilities with PDF Editor. PDF Reader: Quickly open and read the pdf file with inbuilt pdf reader & pdf viewer. Scroll horizontally (Book Reading View) or Scroll vertically continues page mode in pdf viewer. Split a PDF file at a particular page into multiple files. Now no worries about a large file to split. Enjoy unlimited privacy of your PDF Document by encrypting it with a Password. Reorder the pages of PDF by changing an order of pages by drag & drop on long press. Select any color or image to apply it to the background of PDF. Add an empty/blank page to a specific page of the PDF.Starting Price: Free -
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Annotate
Annotate Software
Draft documents directly in Annotate and collaborate throughout the authoring process. Paste text from an existing document and Annotate will create a link to the original source, making fact checking a breeze. No need to share documents using insecure email attachments or file sharing services. Invite everyone involved in your discussion or project to collaborate in Annotate. Bring together the right team without worrying about keeping track of different versions. You decide who has permission to view and edit, so confidential information stays protected. Instead of disjointed discussions in chat apps and email threads, get your team talking within the document itself. Whether you’ve got something to say about specific sections, paragraphs, sentences or even words, use Annotate to chat in real time, mark up documents and add notes, and assign changes to the right team members. -
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PDFgear
PDFgear
PDFgear is an all-in-one PDF solution that helps users view, edit, protect, convert, sign, annotate, organize, OCR, Copilot, organize PDF files, and make more possibilities on Windows, MacOS, iOS, and iPadOS. PDFgear offers all expected functions in its clean and straightforward interface so users could enjoy their document reading and editing experience without disturbance. PDFgear Copilot provides more possibilities as a personal document assistant. As it's powered by AI, users could easily manipulate all PDFgear functions and chat with PDFs by asking PDFgear Copilot. Get lost in various functions and comprehensive document content? Don't worry! Just ask Copilot! It will cover everything. With PDFgear and Copilot in it, processing PDF is like a walk in the garden.Starting Price: Free -
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3D_Analyzer
CoreTechnologie
3D CAD Viewer to review and analyze models from all major native and standard CAD formats with assemblies-structure, B-rep, tesselation, features and parameter as well as metadata, PMI and annotations. Precise measuring, cut and annotation functions based on B-REP Models. Fast Creation of exploded views with automatic and manual functions. 3D_Analyzer is the perfect tool for project management tasks. It is not only a Viewer for all major CAD formats, it also provides a wide range of easy to use and powerful 3D inspection computations such as comparison of geometry, PMI and assembly-structure, collision and clearance detection as well as wall thickness, draft and undercut analysis. Share your files, you can easily export the CAD files to the 3D-PDF format. Additionally you can also save the analysis results to 3D-PDF and exchange it with your colleagues, suppliers or customers. -
43
DWGSee Viewer & Editor
DWGSee
DWGSee Viewer & Editor is a lightweight and high-performance CAD application designed for viewing, editing, and printing DWG, DXF, and DWF files. It allows users to browse drawings quickly and make precise modifications without the complexity of full CAD software. DWGSee Viewer & Editor supports AutoCAD file versions from R14 through the latest 2026 releases. The platform includes tools for drawing, modifying objects, adding annotations, and marking up designs. Smart measuring features enable accurate calculation of lengths, angles, areas, and radii using snap points. DWGSee Viewer & Editor also supports batch printing, drawing comparison, and file export for efficient collaboration. With its fast performance and simple interface, DWGSee Viewer & Editor helps users work with CAD drawings more efficiently. -
44
Cool PDF Reader
AwesomeDev
Cool PDF Reader is a fast and easy to use the best free pdf reader that helps you read PDF books, and view and manage PDF files. You can capture your paperwork as images, convert them to PDF and share it with friends, classmates, and teachers. Also, you can split, and merge PDF files, extract pages, images, text from a PDF, and more. This best free pdf reader also provides commonly used tools to edit PDF document files or PDF books. It is easy to add rectangles, free hand drawings, select & copy text, highlight, strikethrough, and underline text. PDF Book Reader, read PDF books or documents from the file manager or directly from other apps. Fast PDF read & view. Remember the last read page of your PDF book or document. List PDF document files from your phone. Search files in the list. Sort PDF document list by date and name in ASC & DESC. Share, print, duplicate, delete, and rename PDF files. Recent & favorite lists. Day and night mode of PDF document views.Starting Price: Free -
45
Sumnotes
Fifth Force
An online PDF and Kindle annotation management tool that saves you hours of gruesome work. Have your PDF and Kindle annotations available for you to download in various formats in a matter of seconds. We summarize annotations from your PDFs, Kindle books and Instapaper articles. Save yourself a headache of searching for a tool to annotate and extract annotations from your books or PDF material. Sumnotes is the only simple, yet robust solution to extract annotations from PDF books, lecture notes or research papers, helping you to focus on what matters to you. With one click, import and synchronize annotations made across various platforms. With our batch import capability, importing your entire library is a breeze. We support PDF documents annotated in any official PDF software, including Adobe products and Preview on Macs. We also excited to announce that we support Kindle highlights! -
46
Noteful
Noteful
Noteful is a digital note-taking and annotation app optimized for handwriting on iOS devices that blends fluid pen input with powerful document tools. You can write naturally using Apple Pencil or touch input; its custom ink engine records strokes as scalable vector ink, and you can switch between three brushes (ballpoint, fountain, highlighter), sizes, and colors. Beyond handwriting, Noteful supports importing PDFs and Office documents, annotating with typed text, images, and shapes, and layering multiple paper templates within a single notebook. Notes can be organized flexibly via hashtag tagging (including nested tags), rather than rigid folder structures, and you can browse content by tags or pin important pages. It offers a layer system so you can annotate without altering base content, hiding or reordering layers as needed. Editing tools include a precise eraser, lasso selection for moving or resizing content, unlimited undo/redo, and split-view multitasking.Starting Price: Free -
47
TaoMaxDavi PDF Editor
TaoMaxDavi
TaoMaxDavi PDF Editor is your ideal partner for managing PDFs efficiently. Offering an elegant and dynamic user interface, this software provides a full range of essential tools: - Intuitive Viewing and Navigation: Enjoy a continuous, scrollable view of your documents with easy navigation using next/previous buttons and a dynamically updating thumbnail panel. Zoom, rotate, and navigate seamlessly, ensuring you always have a clear view of your content. - Comprehensive Annotation & Editing: Easily add text annotations, draw shapes, and highlight important areas directly on your PDFs. The editing tools are designed for precision and simplicity, enabling you to make quick modificationsStarting Price: $3.99 -
48
Nitro PDF
Nitro Software
Nitro PDF is a full-featured PDF editor and is recognized as the strongest alternative to Adobe Acrobat. It's simple to purchase, easy to implement, and straightforward to use. With a powerful suite of tools, you can easily edit, convert, sign, annotate, combine, secure, and protect your documents, streamlining workflows and allowing you to focus on what matters. Our flexible plans and affordable pricing cater to everyone, from individual users and small teams to large enterprises. Plus, we offer a wide range of support resources to ensure the success of every customer.Starting Price: $15/user/month -
49
Kubuntu
Kubuntu
Quickly find that important document, photo, or video. Split View, Editable Location, a built-in Terminal and many other useful features. Dolphin makes connecting your USB flash drives, SD cards, and your phone super easy! Images are an important part of modern life. Kubuntu has applications that make it easy to browse, share, and enhance your photos. Open PDF, Dejavu, PS, DVI, and more, annotate documents and fill in forms and even read eBooks with Okular, the universal document viewer. untu comes built-in with a music and a movie player that are simple to use. Simply select a song or a movie and Kubuntu will take care of the rest. Kubuntu plays most music and video formats out the box; restricted formats such as MP3 are installed with two clicks when needed, usually during the installation process. -
50
JiveX DICOM Viewer
VISUS Health IT
The JiveX DICOM Viewer is a component of the JiveX Healthcare Content Management product family and enables the visualization of image data. The Viewer is a stand-alone application for the display and processing of DICOM data and is intended for use outside of radiology, e.g., in the ward or in surgical environments. It provides users with high-quality image viewing and diagnostic tools while maintaining an intuitive interface. The JiveX DICOM Viewer supports the display of all common DICOM modalities, offers comprehensive tools for image processing such as measurements, annotations, and comparison views, and includes configurable display protocols. It allows fast and easy image access and provides seamless integration into existing hospital and practice workflows. The viewer supports multilingual interfaces and provides secure access to patient data through user authentication. It also enables the import and export of DICOM files via CD/DVD or USB stick.
