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

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    Build gen AI apps with an all-in-one modern database: MongoDB Atlas

    MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
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  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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  • 1
    PHP QR Code

    PHP QR Code

    Create QR Codes in PHP

    PHP QR Code is open source (LGPL) library for generating QR Code, 2-dimensional barcode. Based on libqrencode C library, provides API for creating QR Code barcode images (PNG, JPEG thanks to GD2). Implemented purely in PHP.
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    Downloads: 1,525 This Week
    Last Update:
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  • 2
    UniversalIndentGUI
    A cross platform GUI for several code formatter, beautifier and indenter like AStyle, GNU Indent, GreatCode, HTML Tidy, Uncrustify and many more. Main feature is a live preview to directly see how the selected formatting option affects the source code.
    Downloads: 35 This Week
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  • 3
    Supporting applications for John Haller's PortableApps.com, including some open source tools set up in PAF installer format.
    Downloads: 20 This Week
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  • 4
    filerunner
    FileRunner is a two pane file manager for Unix and Unix like systems. It is simple and efficient and has a built-in FTP and SFTP client. It also does a reasonable (and improving) job on Windows systems. New and improved from a FileRunner of long ago.
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    Downloads: 19 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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  • 5
    This project is designed to host PortableApps.com development test releases.
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    Downloads: 25 This Week
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  • 6
    Source Switch is a plugin for Notepad++ that allows an easy switch between project source and header files. Various current supported extensions with more to be added in the future.
    Downloads: 21 This Week
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  • 7

    SilentBob

    code indexer

    The SilentBob is yet another indexing tool helping you to find your way through the software source code.
    Downloads: 7 This Week
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  • 8
    Zilog Z80

    Zilog Z80

    Z80 shared library including some nice test-projects

    Another Zilog Z80 emulation. C++ class on a shared library. Simulates all pins of the Z80-Chip in a single function interface. Additionally are some Test-Projects added. 1. CP/M 2.2 emulator connectable by an telnet client. 2. An instruction set examiner. 3. An ZX-80 emulator. 4. An TK-80 emulator 5. An Z80 Dis-assembler driver for all supported instructions.
    Downloads: 10 This Week
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  • 9

    uru binaries

    Use multiple rubies on your Linux, OS X, and Windows systems.

    Be more productive using the multiple rubies on your 32/64-bit Windows, Linux, and OS X systems.
    Downloads: 9 This Week
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  • Connect every part of your business to one bank account Icon
    Connect every part of your business to one bank account

    North One is a business banking app that integrates cash flow, payments, and budgeting to turn your North One Account into one Connected Bank Account

    North One is proudly built for small businesses, startups and freelancers across America. Make payments easily, keep tabs on your money and put your finances on autopilot through smart integrations with the tools you’re already using. North One was built to make managing money easy so you can focus on running your business. No more branches. No more lines. No more paperwork. Get complete access to your North One Account from your phone or computer, wherever your business takes you. Create Envelopes for taxes, payroll, rent, and anything else automatically.
    Get started for free.
  • 10
    An ActiveX component (developed with Visual Basic 6.0) to use XP-style unicode controls for your VB applications : - 13 different graphical controls : ProgressBar, ListBox, TextBox... - 3 other usefull controls : SysTray, Timer, MouseKeyEvents.
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    Downloads: 9 This Week
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  • 11
    This project has moved! Go to https://github.com/yenrab/qchybrid
    Downloads: 2 This Week
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  • 12
    WiiTCPLoad let you easily make a connection with Homebrew/TCPLoader Channel and stream binary files. It's written in c++ using Qt4 library.
    Downloads: 2 This Week
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  • 13
    Cordova Gui by GoHo

    Cordova Gui by GoHo

    Cordova Gui provides a simple user interface for hybrid applications

    Cordova Gui provides a simple user interface for hybrid applications; using the Cordova Gui you are able to create and maintain your hybrid applications easily without the need of command line interfaces and know how. With the added ability to build out to Android Corodva Gui makes it even easier. V1.1 - From the feedback received the entire interface has been re-done - I hope it makes it more user friendly.
    Downloads: 2 This Week
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  • 14
    Moved to GitHub http://github.com/autentia/autentia-wuija !!! WUIJA is a Java framework to develop Web apps. Our goal: make development easier. The best point: you can develop GUI in Java (like Swing) using widgets or adding easily your own ones.
    Downloads: 2 This Week
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  • 15
    NOTE: This project is not actively maintained at the moment. If you'd like to continue developing Jacareto, please send an e-mail to: wikipedian@users.sf.net Jacareto is a capture & replay tool for programs written in Java. You can capture actions on applications and replay them later on (like macros). Jacareto can be used for GUI tests, the creation of animated demonstrations, and analyses of user behavior.
    Downloads: 1 This Week
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  • 16

    Anumaan

    Open source predictive text entry system from CDAC, Mumbai

    Anumaan is a predictive text entry system developed by CDAC, Mumbai, India. It gives context sensitive text prediction. Hence, it helps in effective text entry. It is intended for people suffering from different kinds of motor disabilities. New version of standalone flavor of Anumaan (Anumaan-standalone-0.2) has been released. Feedback, feature enhancement requests about the application can be sent to ossd[at]cdac[dot]in or predictanumaan[at]gmail[dot]com.
    Downloads: 1 This Week
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  • 17
    A PHP class library for writing powerfull reloadless web user interfaces using Ajax (DHTML+server-side) style
    Downloads: 1 This Week
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  • 18
    Listaller
    Listaller is a simple software installation system which helps to create software packages that work on many Linux distributions. It also makes it easier to remove applications on Linux machines without touching the package management system directly
    Downloads: 1 This Week
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  • 19
    SnapMan is a tiny java program with an integrated timer (opensymphony quartz). It takes snapshots of your desktop in regular intervals and saves it into a specified folder. Intervals and target folder is made configurable. Cron/At compatible expressions.
    Downloads: 1 This Week
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  • 20
    SphinxSearch is an extension for MediaWiki to replace the built-in search engine with a Sphinx search engine backend.
    Downloads: 1 This Week
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  • 21
    For several purposes of our OCR research we needed a converter that can generate an image from any given Bangla/ Bengali text. One of the reasons was to prepare artificial training and testing data. For this reason we finally created a very simple text to image converter. A Text to Image Converter. Systrem Requirement: .net Framework 4.0 and up 1. Select your Font Type, style and size. 2. First Browse your file, which will contain your text (Supporetd File Type .txt) 3. Select Single or Multi Line option. 4. Select Your output image type (Supported image type .bmp, .jpg and .png.). 5. Click Convert. 6. Folders will be created containing the images in .jpg/.bmp/.png/.tif format.
    Downloads: 1 This Week
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  • 22
    Voodoo Player - is the small and fast video player for Windows 2000/NT/XP. Written on Borland Delphi® 2006.
    Downloads: 1 This Week
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  • 23
    Leightweight (~20 kb) converter which transforms xml contents into runtime objects. The user is free to specify only interfaces or provide data class implementations as well.
    Downloads: 1 This Week
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  • 24
    ABK Code Beautifier indents and comments the Code of C/C++ currently. The code to be processed must be error free for accurate output.
    Downloads: 0 This Week
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  • 25
    Tools for moving from Blog:CMS to NucleusCMS. All tools are Hacks & may require some PHP skills. Check our documentation for the best answers found todate. If you move to NucleusCMS let us know how it went - we'd love to hear some "war stories".
    Downloads: 0 This Week
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