freeRTOS for Arduino Uno, Goldilocks 1284p & Mega 2560
PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
Cross-platform IDE for developing embedded solutions and desktops
Convert your Arduino C/C++ code to Assembly code.
AVR simulator IDE
An open source ecosystem for IoT development
EtherCard is an IPv4 driver for the ENC28J60 chip
A human interface device programmable
Electronic design and programming tools suite like Eagle, MpLab
Integrating Arduino Libraries in Atmel Studio 6.2
K3NG-Arduino Keyer ported to AVR-Studio 7