Phoenix is a modern open-source Code Editor for the web
IntelliJ IDEA & IntelliJ Platform
Apache NetBeans
The IDE for competitive programming
A fast and lightweight IDE
Open-source, cross platform Qt based IDE for reverse-engineering
A plugin for interacting with AWS from JetBrains IDEs
Vampirio Code, a great Code Editor and Compiler
Cloud & Desktop IDE Platform
RStudio is an integrated development environment (IDE) for R
Next-gen container development platform, workspace server & cloud IDE
Learn Java the easy way!
Kisekae UltraKiss is a full featured integrated development environmen
AndroidIDE is an IDE for Android to develop full featured Android apps
It is an LL(1) recursive descent parser generator in VB.NET
Web IDE in single HTML file
Cross platform SDK
A syntax highlighting, code folding text component written in Swing
Launch an external diff tool like WinMerge in Eclipse
EditBox is the Eclipse plugin for source code background highlighting.