Best Open Source Usability Software 2025

Usability Software

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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.

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MongoDB Atlas runs apps anywhere
Deploy in 115+ regions with the modern database for every enterprise.

MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.

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1

TortoiseSVN

An Apache SVN client, right where you need it most

TortoiseSVN is a Subversion (SVN) client, implemented as a windows shell extension. Which means it's available right where you need it: in the Windows file explorer. It's intuitive and easy to use, since it doesn't require the Subversion command line client to run. Simply the coolest Interface to (Sub)Version Control!

152 Reviews

Downloads: 42,554 This Week

Last Update: 2025-10-27
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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.

8 Reviews

Downloads: 17 This Week

Last Update: 2012-03-30
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3

Circonium

C# custom control for round gauge creating and tuning.

Demo shows the possibilities of managing custom control project https://circonium.sourceforge.io Control provides tools for creating circular scales with marking on segments and automatic recalculation of the input value into the rotation angle of the arrow. Control contains GDI graphics and does not use OpenGL, or other 3D libraries. How to generate settings for Circonium Control and how apply it on start you Winform Application using that control - look at next video: https://www.youtube.com/watch?v=ll-CIfFIoOQ In the video there was a case with a mistake SharpDevelop which made breakdown of thedesigner of the MainForm. I cured it.

Downloads: 0 This Week

Last Update: 2018-01-08
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4

Comfortable CMS

CMS on PHP5 and MySQL. Add data on you site easy! The forum explains how to join the developer group.

Downloads: 0 This Week

Last Update: 2015-08-15
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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.

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