Netbeans - NetBeans IDE 7.0. Develop desktop, mobile and web applications with Java, PHP, C/C++ and more. Runs on Windows, Linux, Mac OS X and Solaris. NetBeans IDE is open-source and free.
HTML-Notepad - HTML WYSIWYG editor for structured documents
Orwell Dev-C - The official site of the Bloodshed Dev-C++ update, which is fully portable, and optionally ships with a 64bit compiler.
Notepadqq - Notepadqq is a linux clone (identical application) of Notepad++
C4droid - C4droid is an intelligent IDE and C/C++ compiler, allowing you to create your own application on Android devices.
iNotepad - Write and organize all your texts and notes on Mac.