Open Source Windows Business Software

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

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  • 1
    PortableApps.com

    PortableApps.com

    Portable software for cloud, local, and portable USB drives

    PortableApps.com is the world's most popular portable software solution allowing you to take your favorite software with you. A fully open source and free platform, it works from any synced cloud folder (DropBox, Google Drive, Box, etc), from your local PC on an internal or external drive, or on any portable storage device (USB flash drive, memory card, portable SSD or hard drive, etc) moved between PCs. With millions of users all over the world, nearly 500 real open source and freeware apps in our main app store (no shovelware), compatible commercial software, and partners in hardware industry, PortableApps.com is the most complete solution for life on the go.
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    Downloads: 385,194 This Week
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  • 2
    winPenPack

    winPenPack

    The portable software collection

    winPenPack is a project that aims at collecting the most frequently used and most popular open source applications made portable, so that they can be executed without installation from any USB Flash Drive or Hard Disk. The winPenPack suites offer a wide range of portable applications like office tools, internet tools, multimedia tools, development tools, security applications and other frequently used utilities. Everything you need, completely free, open source and portable!
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    Downloads: 522 This Week
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  • 3
    PySchool

    PySchool

    Installable / Portable Python Distribution for Everyone.

    PySchool is a free and open-source Python distribution intended primarily for students who learn Python and data analysis, but it can also used by scientists, engineering, and data scientists. It includes more than 150 Python packages (full edition) including numpy, pandas, scipy, sympy, keras, scikit-learn, matplotlib, seaborn, beautifulsoup4...
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    Downloads: 781 This Week
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  • 4
    Digital Signer (a PDF Signing software)

    Digital Signer (a PDF Signing software)

    Digital Signature & eSigning software. Bulk PDF signing. Sign all Page

    Digital Signer is a powerful and user-friendly software designed to secure and sign your digital documents with ease. Ideal for Tender filling, individuals, businesses, and professionals, this software ensures that your sensitive documents are protected from unauthorized editing and tampering, maintaining their integrity and authenticity. Key Features Sign PDFs with Hardware Devices: Ensuring the highest level of security. Digital Signature Certificates (DSC): Apply digital signatures using DSCs, Smart Cards, providing a secure and legally binding way to authenticate your documents. Your Privacy, Our Priority Protect Your Data with Complete Confidence. Our software is designed to keep your information 100% secure. Unlike cloud-based solutions, there’s no need to share your private or confidential files with unknown servers. Everything works entirely 100% offline on your local machine, delivering 10x faster performance while maintaining the highest level of privacy.
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    Downloads: 50 This Week
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  • 5
    Tadween is a powerful multilingual application allowing users to write Arabic in applications that support Unicode but don't fully support Arabic.
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    Downloads: 45 This Week
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  • 6
    sleek - open-source todo.txt manager

    sleek - open-source todo.txt manager

    sleek is a todo.txt manager, free and open-source (FOSS)

    sleek is an open-source (FOSS) todo manager based on the todo.txt syntax. Stripped down to only the most necessary features, and with a clean and simple interface, sleek aims to help you focus on getting things done. All classic todo.txt attributes are supported and enhanced by additional features. Creating todos is straightforward, and tag-based filtering in tandem with highly customisable grouping and smart full-text search allow for rapid information retrieval. Completed todos can be hidden or archived into separate done.txt files. Easy integration with other todo.txt apps is facilitated by continuously scanning todo.txt files for changes. sleek is available for Windows, macOS and Linux, and in several languages.
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    Downloads: 32 This Week
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  • 7
    EduSec College Management System

    EduSec College Management System

    EduSec is now available on Cloud with LMS integrated

    The new version of EduSec ERP (Enterprise version) is released as a Modern Educational Institutions ERP with eLearning Platform for Multi-Campus Solutions for Schools, Colleges, and Universities. EduSec has a suite of selective modules exclusively tailored to the needs of the education industry and also support seamless integration with prominent products like “Moodle”. With the use of EduSec, almost all departments within the education industry (e. g. admission, administration, time table, examination, HR, finance etc) can be synchronized and accessed. EduSec can easily bridge the gap between faculties and parents by allowing parents online access to view a child’s progress, attendance, grades etc. For more information check www.edusec.org Core functions like admissions & fees, time table & attendance, exam & placement management, alumni, SMS & Email notifications, HR and payment, library
    Downloads: 19 This Week
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  • 8
    Linear Program Solver

    Linear Program Solver

    Solve linear programming problems

    Linear Program Solver (LiPS) is an optimization package oriented on solving linear, integer and goal programming problems. The main features of LiPS are: ● LiPS is based on the efficient implementation of the modified simplex method that solves large scale problems. ● LiPS provides not just an answer, but a detailed solution process as a sequence of simplex tables, so you can use it for studying/teaching linear programming. ● LiPS gives sensitivity analysis procedures, which allow us to study the behaviour of the model when you change its parameters, including: analysis of changes in the right sides of constraints, analysis of changes in the coefficients of the objective function, analysis of changes in the column/row of the technology matrix. Such information may be extremely useful for the practical application of LP Models. ● LiPS provides methods of goal programming, including lexicographic and weighted GP methods, which are oriented on multi-objective optimisation.
    Downloads: 18 This Week
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  • 9
    Excel to Graphviz

    Excel to Graphviz

    Free Excel tool to easily create Graphviz data visualizations.

    The Excel to Graphviz Relationship Visualizer spreadsheet transforms your Excel data into professional Graphviz diagrams. Enter simple "A is related to B" rows to instantly generate polished relationship graphs using the Graphviz DOT language. Ideal for data analysis, network visualization, and IT architecture. Free, open-source, MIT-licensed. Customize the look of nodes, edges, and clusters with the Style Designer. Build a CSS-like gallery of reusable styles that lets you apply consistent visual themes. Run SQL queries for advanced data import. Export graphs as BMP, GIF, JPG, PDF, PNG, or SVG files (with animation support). View Graphviz DOT code and command-line messages. Works on Windows and macOS with a ribbon interface and UTF-8 support for global text. Explore illustrated guides at https://exceltographviz.com With over 10,000 downloads and a SourceForge Community Choice award, this open-source VBA tool clarifies complex data. Download now and turn data into insight.
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    Downloads: 17 This Week
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  • 10
    qvge

    qvge

    Qt Visual Graph Editor

    qvge is a multiplatform graph editor written in C++/Qt. Its main goal is to make possible visually edit two-dimensional graphs in a simple and intuitive way. Please note that qvge is not a replacement for such a software like Gephi, Graphvis, Dot, yEd, Dia and so on. It is neither a tool for "big data analysis" nor a math application. It is really just a simple graph editor :)
    Downloads: 24 This Week
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  • 11
    Clinic management program (Exir) - EMR

    Clinic management program (Exir) - EMR

    Medical record management of clinic (EMR or EHR) and patient file.

    Exir Clinic management software is a software to manage medical records and health file of patient(Electronic medical records or EMR). It allows users to create customized medical record formats including texts,drawings, pictures and others. this software support english, arabic and persian. also had online and offline mode. English site: https://exirmatab.com/en/ Farsi site: https://exirmatab.com/ !! Please download application from website or download all of them together in a separate folder. -------- latest version: https://exirmatab.com/uploads/Exir-latest.zip
    Downloads: 14 This Week
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  • 12
    Agilefant

    Agilefant

    The scalable open source tool for lean and agile project management

    Agilefant is a simple but powerful web based tool for lean and agile project management. It is the most versatile open source solution of its kind today, with a rapidly growing user base of more than 10k users around the world in thousands of organizations. Based on more than ten years of solid scientific research within real world organizations, Agilefant's unique model scales from personal todo-lists to large-scale multi-team development and long-term product and portfolio management. Unlike other tools, Agilefant adapts to your existing team structure and assignments, and helps achieve true enterprise agility with the fraction of the cost and time needed to adopt cumbersome project management suites offered by competitors.
    Downloads: 5 This Week
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  • 13
    PixelLight

    PixelLight

    PixelLight is a cross-platform application framework

    PixelLight is a cross-platform application framework for any kind of 3D applications like games, interactive simulations or visualizations. It's written in C++ and has been designed with flexibility and extensibility as one of it's main goals.
    Downloads: 6 This Week
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  • 14
    Super PDF Editor (a Batch PDF Processor)

    Super PDF Editor (a Batch PDF Processor)

    Create, Edit, Delete, Organize , Convert, Export, Secure & Sign PDF.

    Super PDF Editor - Powerful, superfast, lightweight PDF processor. All-in-one PDF solution, PDF editing with 80+ tools and functions. The easy-to-use software is complete with editing tools for modifying PDF files your way. Most comprehensive, powerful, process-based and lightning-fast batch processor software. OCR PDF. PDF Imposition, Reverse Pages, Resize Page, Scale Page, Booklet, N-up Pages, Merge, Split by page, Extract Page, Rotate Page. Replace Page, Insert Page, Delete Page. Export To Word, Excel. Password Protection, Remove Password, Watermark/Background. Your Privacy, Our Priority Protect Your Data with Complete Confidence. Our software is designed to keep your information 100% secure. Unlike cloud-based solutions, there’s no need to share your private or confidential files with unknown servers. Everything works entirely 100% offline on your local machine, delivering 10x faster performance. Your files remain fully under your control — safe, private, and secure.
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    Downloads: 15 This Week
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  • 15
    Epesi BIM Free & Open Source CRM

    Epesi BIM Free & Open Source CRM

    Lighweight CRM, easy to use Kickstarter for web based ERP

    EPESI BIM (Business Information Manager) is a fully functional web CRM/ERP application to store, organize, access and share business records. Manage your data precisely, flexibly and easily, simplifying internal communication and making work-flow more efficient. Epesi has been designed as a Kickstarter project and provides "no code" and "low code" environment for developers. You can quickly create your own modules: https://epesi.org/devtutorial/helloworld Setting up EPESI Web Application Server - More information on how to get started can be found here: https://www.epesi.org/adminmanual/installation Simple: automatic or semi-automatic methods: - Setup hosting: https://epesi.cloud/cart.php - no technical expertise needed - Installation on your server via Softaculous autoinstaller: http://www.softaculous.com/apps/erp/EPESI Video tutorial on how to install epesi using Softaculous autoinstaller via cPanel - https://www.youtube.com/watch?v=FR4mQsHUNCY Download it from: - Git
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    Downloads: 3 This Week
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  • 16
    EarthWorks

    EarthWorks

    The road cutting and filling quantity analyser and report producer app

    Earthworks is a civil engineering related cutting and filling quantity calculator. It also generates reports in various formats of CSV and PDF. It takes the basic paraments to form the longitudinal section of the road along with the proportions ratio of cuttings and fillings. ================================= V 1.2: 1. Now creates the longitudinal section in CAD softwares. 2. Bug Fixes. ================================== V 1.1: 1. Application freezing, not opening bug fixed. 2. Application closing error fixed. ================================== ======================================= SYSTEM REQUIREMENTS ======================================= Windows: 7/ 8 / 8.1 / 10 (Please note, the ARM version of Windows is not supported for now.) Processor: Intel Pentium 4 or later that's SSE2 capable Ram: 512MB (Min) Architecture: Both x86 and amd64 (x64) binaries are provided for Windows.
    Downloads: 14 This Week
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  • 17
    OpenGLEAN: A GLUT family member gone lean.
    Downloads: 13 This Week
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  • 18
    OpenGL Mathematics (GLM)
    OpenGL Mathematics (GLM) is a C++ mathematics library for 3D software based on the OpenGL Shading Language (GLSL) specification.
    Downloads: 10 This Week
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  • 19
    ezBookkeeping

    ezBookkeeping

    A lightweight personal finance app hosted by yourself.

    ezBookkeeping is a lightweight, self-hosted personal finance app with a user-friendly interface and powerful bookkeeping features. It helps you record daily transactions, import data from various sources, and quickly search and filter your bills. You can analyze historical data using built-in charts or perform custom queries with your own chart dimensions to better understand spending patterns and financial trends. ezBookkeeping is easy to deploy, and you can start it with just one single Docker command. Designed to be resource-efficient, it runs smoothly on devices such as Raspberry Pi, NAS, and MicroServers. ezBookkeeping offers tailored interfaces for both mobile and desktop devices. With support for PWA (Progressive Web Apps), you can even add it to your mobile home screen and use it like a native app. Live Demo: https://ezbookkeeping-demo.mayswind.net
    Downloads: 10 This Week
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  • 20
    Linear Program Solver (Simplex)
    Linear Program Solver (Solvexo) is an optimization package intended for solving linear programming problems. The main features of the Solvexo are: · Solvexo solver is based on the efficient implementation of the simplex method (one or two phases); · Solvexo provides not only an answer, but a detailed solution process as a sequence of simplex matrices, so you can use it in studying (teaching) linear programming. · Solvexo provides a solution with the graphic method for problems with tow variables. · This updated version includes two languages English and French. If you have any questions, feel free to contact me: romdhani.mohamed.ali@gmail.com. Any comments and suggestions would be helpful!
    Downloads: 5 This Week
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  • 21
    OpenGL Samples Pack
    A collection of OpenGL samples: It doesn't contain a lot of comments, nor does it use the features for complex effects, but they still show how to set up all the different new features.
    Downloads: 3 This Week
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  • 22
    pdf combiner merger converter splitter

    pdf combiner merger converter splitter

    PDF Combiner is a user-friendly, GUI-based tool built in

    PDF Combiner is a user-friendly open source free to use, GUI-based tool for combining, pdf to excel, pdf to word, image to pdf, zip, unzip annotate and splitting PDF files. It is easy to use, supports multiple file insert and delete and process, and allows you to adjust the order of files before combining.
    Downloads: 4 This Week
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  • 23
    FDS and Smokeview Development has moved to http://fire.nist.gov/fds please update your bookmarks.
    Downloads: 6 This Week
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  • 24
    SimpleTimer

    SimpleTimer

    Simple time tracking.

    SimpleTimer has a pause button, message box at 5 min, 30 sec., and time up. After the timer runs out, it counts up. It displays the time, and you can look at it while it is counting down. (older versions are in VB.Net and not Qt C++)
    Downloads: 2 This Week
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  • 25
    ESignPDF

    ESignPDF

    Sign PDF with Digital Signature Certificate

    Brought to you by parvesh88 System Requirements 1. A Computer running Windows 7 Service Pack 1 or higher 2. Java Runtime Environment (JRE) 8 or higher if JRE is not installed on your Computer, then download and install from here JRE 8 for Windows x86 -> https://www.azul.com/core-post-download/?endpoint=zulu&uuid=55abea0c-2aa5-4316-aafb-e90847f6ee21 JRE 8 for Windows x64 -> https://www.azul.com/core-post-download/?endpoint=zulu&uuid=5a34da4a-1821-4c79-a57c-7fce38d102c2 JRE 8 for Mac OS -> https://www.azul.com/core-post-download/?endpoint=zulu&uuid=f0851b11-f391-43b0-ae80-4a29f9cc8c9f -> Download ESignPDF jar file -> Double click on downloaded file -> Follow displayed instructions -> Get signed PDF You can request to concerned certificate authority for obtaining Digital Signature Certificate ( DSC ) file despite of USB token if you have any query, then mail me at parvesh.garg@outlook.com
    Downloads: 5 This Week
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