Browse free open source Business software and projects for Windows and Mac 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
    OpenMRS

    OpenMRS

    Open source Health IT for the planet

    OpenMRS is a community-developed, open source, enterprise electronic medical record system. Our mission is to improve health care delivery in resource-constrained environments by coordinating a global community to creates and support this software.
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    Downloads: 558 This Week
    Last Update:
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  • 2
    GraphCalc is a very gui graphing calculator. It has been called a good replacement for a TI-85. It is a must for any high school math student.
    Downloads: 32 This Week
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  • 3
    CueMol

    CueMol

    CueMol - Molecular Visualization Framework

    CueMol - Molecular Visualization Framework based on OpenGL, Mozilla XULRunner, and javascript
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    Downloads: 143 This Week
    Last Update:
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  • 4
    This Eclipse plugin help you to create, edit and verify your GLSL (OpenGL Shading Language) and NVidia CG vertex and pixel shaders directly inside the Eclipse IDE. Each shader can be edit in an editor with syntax color with error/warning markers.
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    Downloads: 71 This Week
    Last Update:
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  • Add Two Lines of Code. Get Full APM. Icon
    Add Two Lines of Code. Get Full APM.

    AppSignal installs in minutes and auto-configures dashboards, alerts, and error tracking.

    Works out of the box for Rails, Django, Express, Phoenix, and more. Monitoring exceptions and performance in no time.
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  • 5
    This is an opensource project for the calculation of the mathematical constant Pi. If you are a mathematician or programer please contribute ideas or code for this project. Non professionals are also welcome to contribute.
    Downloads: 48 This Week
    Last Update:
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  • 6
    SMILI

    SMILI

    Scientific Visualisation Made Easy

    The Simple Medical Imaging Library Interface (SMILI), pronounced 'smilie', is an open-source, light-weight and easy-to-use medical imaging viewer and library for all major operating systems. The main sMILX application features for viewing n-D images, vector images, DICOMs, anonymizing, shape analysis and models/surfaces with easy drag and drop functions. It also features a number of standard processing algorithms for smoothing, thresholding, masking etc. images and models, both with graphical user interfaces and/or via the command-line. See our YouTube channel for tutorial videos via the homepage. The applications are all built out of a uniform user-interface framework that provides a very high level (Qt) interface to powerful image processing and scientific visualisation algorithms from the Insight Toolkit (ITK) and Visualisation Toolkit (VTK). The framework allows one to build stand-alone medical imaging applications quickly and easily.
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    Downloads: 54 This Week
    Last Update:
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  • 7
    Scanmap3D

    Scanmap3D

    3D Network Traffic Visualisation

    A java-based 3D Visualisation tool for analysing network traffic. Written with jMonkeyEngine.
    Downloads: 34 This Week
    Last Update:
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  • 8
    The TI-Basic compiler compiles TI-BASIC code to the 8XP file format used on Texas Instruments calculators, namely the TI-83, TI-83+ and TI-84+.
    Downloads: 11 This Week
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  • 9

    Geometry Dashboard

    A project to create a simple Geometry Calculator

    I apologize for this, but an accident occurred and all of my GeoDash work has been lost. No updates will be coming. To view all of the files available please click on the 'Browse All Files' link under the 'Big Green Download' button above this description.
    Downloads: 15 This Week
    Last Update:
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  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

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  • 10
    OpenPatientOS

    OpenPatientOS

    OpenPatientOS is an information system for managing patient records

    It can support a small clinic or hospital in managing patient personal, medical, and billing records through an easy to use Swing user interface. How to install: i. Simply import the database dump from the database folder to create the necessary tables for the system to run. You can use either phpMyAdmin for localhost; Microsoft SQL Server; or simply Query Browser for MySQL. Other database environments have not been tested hence I don't guarantee their adaptability. ii. Run and Build the system in NetBeans IDE 7.0. Other IDEs have not been tested for this system. A more stable and installable version will be released soon. iii. Please rate the system and leave comments or reviews. iv. If you need any further clarification, post a question/query/doubt in the Wiki and I will reply ASAP. NB: Please use the "External Link" menus above to support this project in one way or another. PM me for other means. Any kind of support will be very much appreciated. Thanks a bunch.
    Downloads: 7 This Week
    Last Update:
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  • 11
    A graphical interface for solving exterior ballistics problems, based on the excellent GNU exterior ballistics library. This software generates valid 3-DOF solutions to small arms trajectories, including wind and atmospheric corrections.
    Downloads: 5 This Week
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  • 12
    oopinyinguide
    OO Pinyin Guide is a Java extension for OpenOffice 3 or higher. It enables the user to add pinyin transliteration over Chinese characters inside a text document. This tool can be useful for people learning or teaching Chinese.
    Downloads: 9 This Week
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  • 13

    Mandelbrot Viewer

    View the Mandelbrot set easily at high zooms

    A simple Java application to view the Mandelbrot set at almost any zoom and resolution and save images of it to a file. Features: -high precision for deep zooms -background threads to prevent GUI freezing -adjustable color scheme -easy point-and-zoom fractal browsing
    Downloads: 14 This Week
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  • 14
    A JavaPOS application for testing JavaPOS devices
    Downloads: 6 This Week
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  • 15
    SCRIBA eBook Maker

    SCRIBA eBook Maker

    "Scriba eBook Maker" is an "ebook maker"

    "SCRIBA eBook Maker" is a Java engine which builds eBooks (in ePub, ZIP, and other formats in the future), capturing data from Internet, File System and other sources. It has been developed with extensibility in mind with a "plugin" mechanism.
    Downloads: 6 This Week
    Last Update:
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  • 16
    SBEVSL is a collaborative project between Dowling and RIT on the development of a Structural Biology Extensible Visualization Scripting Language, so that users can move freely among various molecular graphics tools, such as rasmol, pymol, raster3d, etc.
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    Downloads: 3 This Week
    Last Update:
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  • 17
    arrowmatcher
    Arrowmatcher is a ballistics software for crossbow archers. It can calculate the speed, kinetic energy, trajectory, aiming solution and much more of an arrow (or bullet). It uses a simplified 6 degree of freedom model.
    Downloads: 3 This Week
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  • 18
    toxic is a modern, physically correct global illumination renderer aiming to produce photorealistic images and animations. A number of plug-ins are under development to allow using toxic with various open source and commercial 3D modeling packages.
    Downloads: 10 This Week
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  • 19

    MoonPdf

    WPF based PDF viewer control and sample PDF viewer

    Contains a WPF control for displaying PDF files and a sample PDF viewe
    Downloads: 5 This Week
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  • 20
    Using the vCard format as the data storage structure, Rolo will keep track of your contacts and display them to you with a curses front end.
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    Downloads: 5 This Week
    Last Update:
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  • 21
    JStickyNotes

    JStickyNotes

    a java based sticky notes

    a java based sticky notes CHECK OUT AND SUPPORT MY LATEST ANDROID PROJECTS IN HERE: https://play.google.com/store/apps/developer?id=Deepak+PK
    Downloads: 8 This Week
    Last Update:
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  • 22
    DataCleaner

    DataCleaner

    Data quality analysis, profiling, cleansing, duplicate detection +more

    DataCleaner is a data quality analysis application and a solution platform for DQ solutions. It's core is a strong data profiling engine, which is extensible and thereby adds data cleansing, transformations, enrichment, deduplication, matching and merging. Website: http://datacleaner.github.io
    Downloads: 2 This Week
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  • 23
    Free CMMS(computerized maintenance management system) is a web application for industrial maintenance departments to manage work orders, preventative maintenance, parts inventory, labor, and equipment.
    Downloads: 5 This Week
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  • 24
    Firefly UML

    Firefly UML

    A free, easy-to-use and user-friendly Java-based UML editor.

    Firefly UML is a 100% pure Java application designed to create and edit UML conform diagrams. With class diagrams, sequence and instance diagrams, Firefly UML provides a solid selection from the vast range of existing UML diagram types. Firefly UML is really easy to learn as it provides you multiple ways of access to the same function - be it mouse action, hotkey, context menu or toolbar icon. And the best thing is: once you have learned how to handle one type of diagram, you also have learned how to deal with the other diagram types, because they all follow the exactly same user interaction patterns. Besides being user-friendly, Firefly also offers powerful features which other free editors usually do not. For example, you can import your existing Java project into Firefly and generate nice-looking class diagrams within a matter of minutes. You can also go the other way around and export your model as skeleton Java code.
    Downloads: 5 This Week
    Last Update:
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  • 25
    OpenSim - Open Simulator. Primarily a 3D simulator for multiple indoor and outdoor mobile robots. Includes 3D real-time rendering (via OSG) and a physics engine (via ODE). Current emphasis is on manipulators.
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    Downloads: 5 This Week
    Last Update:
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