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.
Development environment for OS/2 and DOS
MemDBG is a little library that can help C and C++ programmers to debug memory leak bugs and other common pitfalls. It traces the memory blocks allocated and can reports errors and other informations on standard output, files and through UDP datagrams.
The most comprehensive BeOS GUI tracing tool, allowing inspection on almost all of the BeOS native objects, 309 in all right now! Clue is analogous to printf, for BeOS programmers. Clue allows you to easily view printf-like statements from several apps.
The Developer Resources Sega Genesis and Super Nintendo development tools and libraries In 1992 I (Kevin Seghetti) and some friends had a company (Developer Resources) which provided development tools for the Sega Genesis and the Super Nintendo console
JDebug is a simple yet powerful Java package for debugging and tracing of code in environments where other tools cannot be used. The modules included in JDebug will prove particularly useful to programmers of online service development.
Prolint is a tool for automated source code review of Progress 4GL code. Prolint can enforce company coding standards and finds sloppy code and code that may perform differently than how the programmer intended.
SharpBug is distributed collaborative software aimed to provide a consistent tool to organize and manage software projects (specially during testing and debugging phases). It provides both a rich and full featured windows UI and an Ajax-enabled web UI.
A C++ unit testing framework, in the style of CxxUnit, for Symbian OS. (For more information, forums and mailing lists please visit the project Home Page http://symbianosunit.sourceforge.net)