Most interesting in IDE

Vim
Free
A screen-based text editor for various documents.
Free
Fast, clever, and free Hex Editor that has many unique features: Insert...
Free
A powerful application that allows users to edit TeX files.
Free
Java monitoring and troubleshooting tool that supports JDK 1.4+ and uses lightweight technologies fo
Write and edit code in a simplified manner.

Top rated in IDE

QtOctave
Free

QtOctave is a front-end user interface for the Octave high-level language.

jclasslib
Free

A tool that visualizes all aspects of compiled Java class files.

reacTIVision
Free

It is a computer vision framework for the fast and robust tracking of markers

tODE
Free

tODE is a Smalltalk development environment that runs in your web browser.

MacAXEpad
Free

AXEpad is a cross-platform development tool for all PICAXE chips

wxPython Demo
Free

wxPython is a GUI toolkit for the Python programming language.

Modkit
Free

Is an in-browser graphical programming environment for microcontrollers

CPP Edit
Free

CPP Edit is an easy to use C/C++ complier and editor.

DropScript
Free

Lets you create new applications from any BSD program.

Eclipse IDE for Java
Free

Eclipse projects provide tools and frameworks that span the entire development.

mosync
Free

An open source platform for mobile development across multiple platforms.

Evergreen
Free

Evergreen is a cross-platform GPL development environment.

vlc-record
Free

vlc-record is a tool written in Qt / C++ to record/play streams from kartina.tv.

Tonatiuh
Free

Tonatiuh is a plug-in under Eclipse. To start it, you need the source code.

HelpLogic
Free

Easily add and edit pages and chapters, plus topic description and keyword tags

gdc

D language front end for the GNU Compiler Collection.

OpenPListService
Free

It's a service application with the same functionality as the classic menu.

ScrIDE

OSX based IDE for scripting languages.

RegExplorer
Free

RegExplorer helps novice or infrequent 'regex' programmers quickly and easily build correct regular expressions through the use of pull...

newLISP-GS
Free

newLISP can be run like a command line utility in a terminal.