Best Open Source Software Testing Tools 2026

Software Testing Tools

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

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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Dominate AI Search Results
Generative Al is shaping brand discovery. AthenaHQ ensures your brand leads the conversation.

AthenaHQ is a cutting-edge platform for Generative Engine Optimization (GEO), designed to help brands optimize their visibility and performance across AI-driven search platforms like ChatGPT, Google AI, and more.

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1

SharpDevelop

A free IDE for C#, VB.NET, & Boo projects on Microsoft's .NET platform

SharpDevelop is the open-source IDE for the .NET platform. Write applications in languages including C#, VB.NET, F#, IronPython and IronRuby, as well as target rich and reach: Windows Forms or WPF, as well as ASP.NET MVC and WCF. It starts from USB drives, supports read-only projects, comes with integrated unit and performance testing tools, Git, NuGet and a lot more features that make you productive as a developer.

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77 Reviews

Downloads: 570 This Week

Last Update: 2016-04-14
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2

JTrac

Easy to set up bug tracking with Java

JTrac is a generic issue-tracking web-application that can be easily customized by adding custom fields and drop-downs. Features include a customizable workflow, field level permissions, e-mail integration, file attachments, a detailed history view and changeable colors to fit a particular CI/CD. After a long hiatus, development has resumed with version 2.2.0 in December 2021, 2.2.1 in February 2022, 2.3.0 in February 2023, 2.3.1 in May 2023, 2.3.2 in July 2023 and 2.3.3 in June 2024. See https://sourceforge.net/p/j-trac/wiki/Home/ for release notes and documentation, and download it at https://sourceforge.net/projects/j-trac/files/jtrac/. Feedback is welcome. JTrac continues to be improved, and has recently been awarded the SourceForge "Open Source Excellence" badge.

30 Reviews

Downloads: 14 This Week

Last Update: 2024-06-06
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3

HTML checker

This is a HTML, XHTML and XML validator and repairer based on PHP

Downloads: 0 This Week

Last Update: 2014-12-16
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4

WCell

WCell is not using this repository anymore - Please refer to our homepage @ http://www.wcell.org and check out our new repository on Github @ http://github.com/WCell/WCell

1 Review

Downloads: 0 This Week

Last Update: 2015-06-25
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Yeastar: Business Phone System and Unified Communications
Go beyond just a PBX with all communications integrated as one.

User-friendly, optimized, and scalable, the Yeastar P-Series Phone System redefines business connectivity by bringing together calling, meetings, omnichannel messaging, and integrations in one simple platform—removing the limitations of distance, platforms, and systems.

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