Launch an external diff tool like WinMerge in Eclipse
A simple Bash IDE / Debugger
A terminal package for Atom, complete with themes, API and more
Simple, free and open-source online code editor
A modern, lightweight yet powerful text editor
An IDE for Clojure
A lightweight programming environment for Java
Vim-like editing in Eclipse
Coding WebIDE Community Edition
Second Life script editor.
Qt Creator Cppcheck integration plugin
A data science IDE for Python
use vim as IDE
Electronic design and programming tools suite like Eagle, MpLab
Light-weight Scintilla-based text editor with syntax highlighting
Pure Trait-based Programming on the Java Platform