Arduino IDE library
Stride (formerly Xenko), a free and open-source cross-platform C# game
Open-source, cross platform Qt based IDE for reverse-engineering
RStudio is an integrated development environment (IDE) for R
Emacs made simple
Simple crossplatform IDE for NASM, MASM, GAS and FASM languages
A fast and lightweight IDE
A toolchain for web projects, aimed to provide functionalities
.NET port of the iText library
C++ Library Manager for Windows, Linux, and MacOS
Cloud & Desktop IDE Platform
uIDE (Micro IDE) is a free, open-source IDE for GPUtils
Python Development Environment with all batteries included
Phoenix is a modern open-source Code Editor for the web
Visual editor for open FPGA boards
The Haskell Tool Stack
STM32 core support for Arduino
Windows Explorer Extension to Operate Git
An IDE layer for Neovim with sane defaults
UNIX-like reverse engineering framework and command-line toolset
A community-driven modular vim/neovim distribution
An interactive process viewer
The IDE for competitive programming