HyperRay

 Last Version : 1.6 RC1

Eclipse is and IDE ( integrated development environment )

Last Version : 0.9 ( Build 320690 )

Qt Creator is a new, lightweight, cross-platform integrated development environment (IDE) designed to make development with the Qt

 Last Version : 2.0.1

MonoDevelop is a GNOME IDE primarily designed for C# and other .NET languages

 Last Version : 4.9

Notepad++ is a source code editor and Notepad replacement that supports several languages

 Last Version : 2.8.2

Gambas is a full-featured object language and development environment built on a BASIC interpreter