Components 4 Java is a development tool for Java. It provides a framework to organize different parts of code in loosely coupled components. Those will be sticked together graphically to larger compositions and distributed among Java Archives.
Eclipse Tools for Microsoft Silverlight
Freeform II is a visual GUI editor for Liberty BASIC
Create your application windows for Liberty BASIC applications with this tool entirely written in Liberty BASIC by the Liberty BASIC community.
An open source build application, where your build "scripts" are actually compiled assemblies, giving you all the flexibility and power of .NET in your build scripts. Common libraries give useful shared components such as source control.
GnuWin64 provides Win64-versions (x64) of GNU or similar open source tools. The ports are native ports, that is they rely only on libraries provided with 64-bit Microsoft Windows operating system for the AMD64 and Intel64 (EM64T) architecture.
Moonspawn is a CI server, written in C# for the Mono platform, and focused on extensibility and flexibility.
Configure your Visual Studio Solution without VS. e.g. Create build configurations for Any CPU, x86, x64. Setup project dependencies, detect unused references. Apply all changes to all included project files.
The Open Source part of the product fxtool. Over time, more functions will move over to being Open Source plug-ins or modules. Visit the site for more information.
A multilanguage GUI / frontend for the famous Nant (ant for .NET)
A software packaging tool for Windows