BlueJ – simple java IDE to learn and teach object-oriented programming and Java

BlueJ is an open source Java integrated development environment (IDE) specially designed for educational purpose but also suitable for small-scale software development.


Cloud9 IDE – web based IDE for JavaScript developers

Cloud9 IDE is a web based, open source Integrated Development Environment (IDE) for JavaScript developers. it uses Ajax.org platform for user interface


TextWrangler – Simple text editor for Mac OS X

TextWrangler is a Simple text editor for Mac OS X. it’s a very handy tool for programmers, web designers, developer and others who spend time reading and writing source code


Screem – open source HTML/XML editor for Linux

Screem (Site Creating and Editing Environment) is an free and open source tag based HTML/ XML editor for Linux and UNIX.


GPHPEdit – Open source PHP editor for Gnome

GPHPEdit is an open source UTF-8 compatible PHP editor for Gnome desktop environment built with using Scintilla.


jHtmlArea – WYSIWYG HTML Editor for jQuery

jHtmlArea is a simple, lightweight, extensible WYSIWYG HTML Editor for jQuery that allow you to transform any Text Area DOM Elements into WYSIWYG HTML Editor.


Loki – free Semantic WYSIWYG XHTML editor

free Semantic and standards focused XHTML editor for editing your semantic websites.


CLEditor – Extensible jQuery WYSIWYG HTML Editor

CLEditor is an open source jQuery plugin which allow you to easily add lightweight, full featured, cross browser, extensible, WYSIWYG HTML editor to any web site.


SynchroEdit – Browser-based Collaborative real-time text editor

SynchroEdit is a browser based open source text editor that allow multiple users to edit a single web-based text document at the same time, and it continuously synchronizes all changes so that users always have the same version.


Aloha Editor – Advanced browser based HTML5 Editor with a Floating Menu

Aloha Editor is an open source browser based HTML 5 editor that give whole new concept to edit the web pages online. It’s faster than existing technologies and offers unprecedented functionalities.