List of Free Tools for Open Source Projects

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• Added by Riley McArdle, last edited by Riley McArdle on Feb 21, 2013  (view change)

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This is a list of tools that usually cost money but are free for open source projects. If you know of any more, please let us know.

Development Environments

• AppCode – A new Objective-C IDE based on IntelliJ platform, for developers building apps for Apple devices such as Macs, iPhones & iPads.
• IntelliJ IDEA – IntelliJ IDEA is recognized by many Java developers and industry experts as the best Java IDE on the market.
• PhpStorm – Professional IDE (Integrated Development Environment) for Web and PHP developers.
• PyCharm – Lightweight IDE for Python programming language with support of Web development with Django framework and Google App Engine.
• RubyMine – Ruby and Rails IDE providing the most essential tools for developers, all integrated together to ensure a convenient environment for Web development with Ruby on Rails.
• WebStorm – Integrated Development Environment for professional JavaScript and front-end Web developers.
• Wing IDE – Wingware's Python IDE is an Integrated Development Environment designed specifically for the Python programming language.

Development Environment Extensions

• ReSharper – ReSharper is a productivity extension to Visual Studio that helps maintain and improve C#, VB.NET, ASP.NET, ASP.NET MVC, XAML, XML, HTML, JavaScript, or CSS code in Visual Studio projects.

Source Control Systems

• Assembla – Ticketing and issue management, Subversion, Git, Mercurial, Wiki, and other collaboration tools to accelerate development.
• bitbucket – Unlimited private code hosting for Git and Mercurial.
• GitHub – GitHub is a web-based hosting service for software development projects that use the Git revision control system.

Bug Reporting and Issue Tracking Systems

• JIRA – Track everything – bugs, tasks, projects, people, source – and pull reports for easy analysis and management.
• YouTrack – YouTrack is a keyboard-centric bug and issue tracker web application that saves your time spent on issue processing.

Collaboration Tools

• Confluence – Content collaboration tool for teams to create, share, and discuss rich content – projects, documentation, files, ideas, minutes, specs, diagrams, mockups, anything.

Project Management Tools

• Bamboo – Continuous integration, continuous deployment and release management.
• Crucible – Find bugs and improve code quality through peer feedback.
• FishEye – Browse, search, and manage your source code repositories.
• GreenHopper – GreenHopper adds agile project management to any JIRA project.
• Pivotal Tracker – Pivotal Tracker is an easy to use, agile project management tool that brings focused collaboration to software development teams.
• TeamCity – TeamCity is a continuous integration & build management solution which, following the tradition of IntelliJ IDEA, takes software team productivity to a whole new level.

Translation and Localization Tools

• Amanuens – Amanuens is a software localization platform based on the Microsoft Windows Azure Platform.
• Crowdin – Crowdin is a complete solution to make your website or software universally accessible through translation.
• Get Localization – Get Localization brings Developers and Translators together to create applications everyone can understand.

Testing and Performance Tools

• Bonfire – Rapid bug reporting for session-based web application testing.
• Clover – Prioritize time spent creating and updating tests, and speed your builds.
• Coverity Scan – Thousands of open source developers rely on Coverity to help them enforce the quality, safety, and security of open source software.
• dotCover – An extremely simple to use .NET code coverage tool that analyzes statement-level coverage in .NET Framework 1.0-4.0 and Silverlight applications. dotCover integrates with both Visual Studio and ReSharper.
• dotTrace Memory – A complete profiling solution for detecting memory leaks in .NET applications.
• dotTrace Performance – Powerful profiler that helps .NET developers investigate performance problems, spot and remove performance bottlenecks in applications based on .NET Framework 1.0-4.0, Windows Mobile, and Silverlight 4.

Other

• Gun.io – Gun.io is a place for talented hackers to hire each other for small tasks.
• Spoon Studio – Run your applications with no installs, dependencies, or conflicts. Deploy in standalone EXEs, with Spoon Server, or on Spoon.net.
• Tender Support – A simple helpdesk application that you and your users will love.