Open Source Windows Productivity Software

Productivity Software for Windows

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Browse free open source Productivity software and projects for Windows below. Use the toggles on the left to filter open source Productivity software by OS, license, language, programming language, and project status.

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

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  • 1
    Xournal++

    Xournal++

    A handwriting notetaking software with PDF annotation support

    Xournal++ (/ˌzɚnl̟ˌplʌsˈplʌs/) is an open-source and cross-platform note-taking software that is fast, flexible, and functional. A modern rewrite and a more feature-rich version of the wonderful Xournal program. Support for pressure-sensitive stylus and drawing tablets (Wacom, Huion, XP-Pen, etc.) Robust and customizable pen, highlighter and eraser tools, allowing you to write how you want to write. Use layers to make complex notes that are still pleasant to work with. Keep track of the notes by using page previews. Add images and create various shapes, from circles to splines to axis. Snap objects to rectangular grid or degrees of rotation. Create anything from differential equations to electrical circuits or the structural formula of molecules using our built-in LaTeX editor. Customize your toolbar to create a new layout, tailor-made for you.
    Downloads: 418 This Week
    Last Update:
    See Project
  • 2
    AkelPad
    A simple notepad-like text editor with many features. It is designed to be a small and fast.
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    Downloads: 1,630 This Week
    Last Update:
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  • 3
    Digital Clock 4

    Digital Clock 4

    beautiful customizable clock with plugins

    Very customizable beautiful clock. There are 2 versions exist (they may co-exist): - Digital Clock 4 - discontinued, not recommended - Digital Clock 5 - current version, replacement for Digital Clock 4 Digital Clock 4 final version is 4.7.9 Digital Clock 5 current version is 5.1.7 Nothing special is required to start using this clock. Just launch it and enjoy! When it starts, apart from the clock itself, a small tray icon appears. This tray icon can be used to call the clock configuration dialog. Also this dialog can be called using clock context menu. Sources (v5) are hosted on GitHub: https://github.com/Kolcha/DigitalClock5 You can create your own skin! See this link for details: https://sourceforge.net/p/digitalclock4/wiki/How%20to%20create%20skin/ NOTE: do NOT download any .rar or .exe files marked as my software, these files are NOT made by me and I'm not responsible for their content
    Leader badge
    Downloads: 1,520 This Week
    Last Update:
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  • 4
    Notepad Next

    Notepad Next

    A cross-platform, reimplementation of Notepad++

    A cross-platform, reimplementation of Notepad++. Though the application overall is stable and usable, it should not be considered safe for critically important work. There are numerous bugs and half-working implementations. Pull requests are greatly appreciated. Windows packages are available as an installer or a stand-alone zip file on the release page. The installer provides additional components such as an auto-updater and Windows context menu integration.
    Downloads: 270 This Week
    Last Update:
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  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
    Learn More
  • 5
    Gnaural

    Gnaural

    Entrain your brain!

    A programmable audio generator intended as an aural aid to meditation, implementing the binaural beat principle as described in Gerald Oster's Oct. 1973 Scientific American article "Auditory Beats in the Brain."
    Leader badge
    Downloads: 824 This Week
    Last Update:
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  • 6
    Deskflow

    Deskflow

    Share a single keyboard and mouse between multiple computers

    Deskflow is a lightweight productivity tool designed to streamline window and workspace management. It features hotkey-driven app launching, workspace switching, window snapping, search快捷启动, and minimal UI. Built with modern frameworks (likely Electron or Qt) and geared toward power users wanting efficient workflow control.
    Downloads: 71 This Week
    Last Update:
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  • 7
    Joplin

    Joplin

    Open source note taking and to-do app with synchronization

    Joplin is a free and open source note-taking and to-do application that can handle a large number of notes in Markdown format, organize them into notebooks and synchronize them with various cloud services. All notes can also be copied, tagged, searched and modified directly from the app or through your own text editor. Notes that are exported from Evernote can be imported into Joplin, be it formatted content, resources, complete metadata or plain Markdown files. When notes are synchronized with cloud services, notebooks, tags and other metadata can easily be moved, inspected or backed up as plain text files. Supported cloud services include Nextcloud, OneDrive, Dropbox and WebDAV. Joplin is available for Windows, Linux, macOS, iOS and Android, with three types: desktop, mobile and terminal. All of them have similar user interfaces and can be synchronized with each other.
    Downloads: 61 This Week
    Last Update:
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  • 8
    ShareX

    ShareX

    Screen capture, file sharing and productivity tool

    ShareX is a lightweight free and open source program that allows you to capture or record any area of your screen and share it with a single press of a key. ShareX offers numerous methods of capture including full screen, monitor, freehand and so much more. It also features plenty of customizable after-capture tasks and supports more than 80 different image, text, and file hosting services, as well as many URL shortening and sharing services.
    Downloads: 50 This Week
    Last Update:
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  • 9
    Alfresco Community Edition

    Alfresco Community Edition

    Open Source Enterprise Content Management ECM

    The open source Enterprise Content Management (ECM) software that handles any type of content, allowing users to easily share and collaborate on content.
    Leader badge
    Downloads: 188 This Week
    Last Update:
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  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
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  • 10
    LKY Office Tools

    LKY Office Tools

    Automate downloading, installing, and activating Office versions

    LKY_OfficeTools is an open‑source, green (ad‑free), and safe .NET tool that automates downloading, installing, and activating legitimate Microsoft Office versions. It provides both console and GUI (Mocreak) versions for seamless, one‑click Office deployment. Supports optional components installation: Word, Excel, PowerPoint, Outlook, OneNote, Access, Visio, Project, Publisher, Teams, OneDrive, Skype, etc. Detects system architecture and downloads matching Office builds. Supports at least 43 UI languages and multiple installation methods (online or local).
    Downloads: 22 This Week
    Last Update:
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  • 11
    TagSpaces

    TagSpaces

    TagSpaces is an offline, open source, document manager with tagging

    TagSpaces is a free, no vendor lock-in, open source application for organizing, annotating and managing local files with the help of tags. It features advanced note taking functionalities and some capabilities of to-do apps. The application is available for Windows, Linux, Mac OS and Android. We provide a web clipper extension for Firefox, Edge and Chrome for easy collecting of online content in the form of local files. File and folder management - TagSpaces provides a convenient user interface for browsing, viewing and man files and folders. The application supports two ways for tagging files. The default one embeds the tags directly in the name of the file, the other one uses a so called sidecar files for persisting the tags. The search functionality supports fuzzy functionality and can filter your locations for files and folders containing one or more tags.
    Downloads: 19 This Week
    Last Update:
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  • 12
    Makagiga

    Makagiga

    To-do manager, notepad, RSS reader...

    Makagiga is an open-source, easy-to-use, portable application for doing a variety of tasks, such as todo listing, text editing, or RSS reading. Plugins are used to implement its various capabilities.
    Leader badge
    Downloads: 68 This Week
    Last Update:
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  • 13
    sigma-file-manager

    sigma-file-manager

    "Sigma File Manager" is a free, open-source, quickly evolving app

    "Sigma File Manager" is a free, open-source, quickly evolving, modern file manager (explorer/finder) app for Windows and Linux. Designed, developed, and maintained by Aleksey Hoffman | Twitter | Reddit. Create the best existing intelligent file manager & productivity app that will significantly speed up your workflow, provide you with advanced tools, and keep your data safe. Find any file/directory on your computer in just a few seconds. It also implements a typo correction system, allowing you to find files even when the search query includes typos, wrong case, wrong word order, missing words, missing symbols, and missing file extension. Create separate workspaces with their own tabs and pre-defined actions, allowing you to quickly switch between them. Actions can perform different operations, e.g. open a website, run a script, open a file in a specific program, etc.
    Downloads: 11 This Week
    Last Update:
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  • 14
    Notable

    Notable

    The Markdown-based note-taking app that doesn't suck

    Notes are written in Markdown, plus you can write KaTeX expressions, Mermaid diagrams and more, check out our Markdown cheatsheet. Notable provides a very powerful Markdown editor, it's the same one VS Code uses in fact, so features like multi-cursors, a minimap and best-in-class syntax highlighting are built-in. Notes and attachments are simply stored on your disk, this is extremely portable and powerful: you could edit your notes via a third-party editor on mobile, have them synchronized via Dropbox, use Git, run a regex-based search and replace etc. A dark theme is also available. In the future support for custom themes will be added as well. Zen mode provides a minimalistic editing and reading experience, hiding everything that's not necessary. Notable is also keyboard friendly, has a quick open window, and we'll soon add a command palette too, so you won't have to click any buttons if you don't want to.
    Downloads: 10 This Week
    Last Update:
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  • 15
    Multi Zone Clock
    Multi Zone Clock is a simple and highly configurable multi time zone clock and calendar plus highly configurable advance alarm clock. This Program creates any number of clocks with deferent time zones and many more . Give it a try and enjoy :P Update : Donations link does not work it seems, if any one like to donate or have technical issues please feel free to connect me on weerakoon123@gmail.com
    Leader badge
    Downloads: 63 This Week
    Last Update:
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  • 16
    UVdesk Open Source

    UVdesk Open Source

    Build and make a full ticketing support system

    Uvdesk community helpdesk project skeleton packaged along with the bare essential utilities and tools to build and customize your own helpdesk solutions. Build on top of Symfony and backbone.js, UVdesk community is a service-oriented, event-driven extensible open-source helpdesk system that can be used by your organization to provide efficient support to your clients effortlessly whichever way you imagine. At the heart of the helpdesk system, the core framework consists of all the necessary APIs required by your project and dependent packages to keep things running smoothly. Integrate multiple marketplaces with UVdesk to support your valuable customer. Bridge the gap between eCommerce store and customer to respond faster. Design your website front office forms at your convenience. Configure multiple email service providers with one platform to provide all-around support.
    Downloads: 8 This Week
    Last Update:
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  • 17
    Notesnook

    Notesnook

    A fully open source & end-to-end encrypted note taking alternative

    Notesnook makes it impossible for anyone to spy on your notes. Unlike Evernote and other note taking apps, your data is private, not open for everyone to see. Ditch other note taking apps that don't care about your data privacy. With app lock and private notes vault, your personal diary & journal are always safe. Worried that your friend will read your private notes? Notesnook fixes that by having an app lock built-in. Use a pin or biometrics to protect your notes. Protect your online journal or personal diary with an extra layer of security. Your notes vault is a super secure way to store your passwords, credentials & other secrets. Free or Pro, you get the same level of privacy. Making privacy a paid feature means only the privileged few deserve it but privacy is your right. And rights don't have a price tag, or do they? To verify that your notes are actually encrypted (and we aren't just lying), you can use our open source tool, Vericrypt.
    Downloads: 7 This Week
    Last Update:
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  • 18
    Laverna

    Laverna

    JavaScript note taking application with Markdown editor

    Laverna has a simple and robust markdown editor, which can help you write faster than ever before with our live markdown preview. The editor can be switched to distraction free mode where you can focus solely on writing notes. Make your notes available on any device with your Dropbox & RemoteStorage account. You can make your notes available only to you by enabling encryption. Keep simple to do lists organized in notes and notebooks. You can manage your notes without ever lifting your hands from your keyboard. Keep snippets of code to have access to them anytime and anywhere. Do you prefer to stay anonymous? You do not need to go through registration process to start using Laverna. You can export your notes from Laverna and import them back anytime. You are not tied to using it forever. Every line of code can be reviewed on GitHub and is available under MPL-2.0 license.
    Downloads: 6 This Week
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  • 19
    Old Win32 Notepad

    Old Win32 Notepad

    Old Windows Notepad remake

    Downloads: 119 This Week
    Last Update:
    See Project
  • 20
    Awesome Mac

    Awesome Mac

    Collect premium software in various categories

    Now we have become very big and different from the original idea. Here we collect awesome macOS software in various categories. Feel free to star and fork. Reading and writing tools, text editors, office, markdown tools, note-taking, journaling. Ebooks, RSS, developer tools, IDEs, developer utilities, etc. Regular expression editors, API development and analysis, network analysis, command line tools, frameworks for hybrid applications, version control. Virtualization, databases, design and product, design tools, prototyping and mind-mapping tools, screen capturing software, etc. Major software download sites, there are a number of OSX Mac software sites. This project exists thanks to all the people who contribute.
    Downloads: 4 This Week
    Last Update:
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  • 21
    Zulip

    Zulip

    Powerful open source team chat application

    Zulip is a powerful open source group chat application that combines the immediacy of real-time chat with the productivity benefits of a threaded conversation model. Zulip’s unique threading model allows users to easily catch up on important conversations, helping to save time and increase productivity.
    Downloads: 4 This Week
    Last Update:
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  • 22
    memos

    memos

    An open-source, self-hosted memo hub with knowledge management

    A lightweight, self-hosted memo hub. Open Source and Free forever. memos provides the privacy security and reliability that innovators need in their moments of inspiration. Keep your own data by yourself. All data generated at runtime is saved in the SQLite database file. All content will be saved as plain text, not HTML. And lots of useful markdown syntaxes are supported. Using Go + React.js + SQLite architecture, the overall package is very lightweight. You can customize the server name, icon, description, custom system style and execution script, etc. memos believes that open source is the future, and all code is already open source in GitHub. All features are free forever and will never be charged in any form or content.
    Downloads: 4 This Week
    Last Update:
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  • 23
    GloboNote

    GloboNote

    Create sticky notes, to-do list, journals & reminders all in one app

    GloboNote is a free and easy to use desktop note taking application. It lets you create sticky notes, to-do lists, journals, reminders and other notes in one place. There are no limits to the number of sticky notes you can create. Notes can be organize by groups and search using the search tool. GloboNote can be run in any OS that has Java 8 installed.
    Leader badge
    Downloads: 25 This Week
    Last Update:
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  • 24
    Free Countdown Timer and Stopwatch Timer

    Free Countdown Timer and Stopwatch Timer

    A high resolution Countdown Timer and Stop Watch in .NET

    A high resolution Countdown Timer and Stop Watch written in C# .NET that pop up a message box with user defined message and play user specified sound when time is up. It use a QueueTimer (via PInvoke) for high resolution timing and System.Timers.Timer for normal resolution. It also allow users to save, load and remove current state to/from a XML file.
    Downloads: 22 This Week
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  • 25
    Notes

    Notes

    Note taking application, write down your thoughts.

    Notes is an open source, cross-platform note-taking application. Write down your thoughts with ease, and always have them with you with this simple, streamlined app.
    Downloads: 3 This Week
    Last Update:
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