Arduino IDE library
Open-source, cross platform Qt based IDE for reverse-engineering
Rapid applications development tool and libraries for FPC
Arduino and PlatformIO IDE compatible TFT library
Daily macOS FPC + Lazarus snapshots (Cocoa - 64 bit - Intel and ARM64)
A hackable text editor for the 21st Century
Bluetooth LE Keyboard library for the ESP32
Eclipse plugin for VCS ClearCase
BASIC language interpreter (multiplatform)
Vim-like editing in Eclipse
An extensive IDE for exploring GraphQL API's
Electronic design and programming tools suite like Eagle, MpLab
Open source cloud & desktop IDE
PHP Support for GNU Emacs