A free, portable, fast and simple C/C++ IDE
A new and improved fork of Bloodshed Dev-C++
Rapid applications development tool and libraries for FPC
The Lazarus IDE is a stable and feature rich visual programming environment for the FreePascal Compiler. It supports the creation of self-standing graphical and console applications and runs on Linux, FreeBSD, MacOSX and Windows.
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.
Bluefish is a powerful editor for experienced web designers and programmers. Bluefish supports many programming and markup languages, but it focuses on editing dynamic and interactive websites.
Dev-PHP is a well-featured IDE for PHP. Fast and powerful, it is easy to use and has a lot of cool features : class browser, scripts preview, integration with PHP parsers, PHP-GTK library, and Xdebug of course. Dev-PHP-usb slips even into your pocket.
A powerful editor and graphical debugger for code written in Scilab
Scipad is a powerful editor and graphical debugger for programs written in the Scilab language. It is a mature and highly configurable editor, almost entirely written in Tcl/Tk. Scipad is a free software running on Linux and Windows. Licence is GPL V2.
!!!!! Attention: This Site is closed go to the old homepage. Second Edition of DEV-PHP - IDE for development php-projects with php-gtk, mysql, ftp-client, cvs-client
Geany is a small and lightweight integrated development environment. Basic features are syntax highlighting, code completion, code folding, call tips, many supported filetypes.
An open source IDE for AROS Research Operating System
Objective Caml (OCaml) Elipse Plug-In