IntelliJ IDEA & IntelliJ Platform
Phoenix is a modern open-source Code Editor for the web
RStudio is an integrated development environment (IDE) for R
Sentry SDKs for JavaScript
A well configured and structured Neovim
Full PHP development environment for Docker
Neovim config for the lazy
A community-driven modular vim/neovim distribution
AndroidIDE is an IDE for Android to develop full featured Android apps
Modernized fork of NEdit, with unicode support and AA text rendering
Kisekae UltraKiss is a full featured integrated development environmen
A powerful editor and graphical debugger for code written in Scilab
A hackable text editor for the 21st Century
Lightweight, cross-platform & full-featured shader IDE
Open Source C & C++ IDE for Windows
All-in-one web-based IDE specialized for machine learning
A terminal package for Atom, complete with themes, API and more
Simple, free and open-source online code editor
IDE for Opscode Chef (and ruby) development
Second Life script editor.
use vim as IDE