NArrange is a tool for arranging .NET source code. This code beautifier automatically sorts and organizes class members into groups or regions. C# and VB.NET code files are supported, but one goal will be to add support for additional .NET languages.
EclipseNSIS is a plugin for the Eclipse platform which enables editing, compiling and testing Nullsoft Installer (NSIS) scripts. The InstallOptions Editor plugin is for editing of InstallOptions files. (Requires Eclipse GEF http://www.eclipse.org/gef)