Soft SSD1306 by I2C AVR or 8051 Universal Arduino(R) IDE
Soft I2C Universal Arduino AVR or 8051 Device for Arduino(R) IDE
LiquidCrystal Universal LCD Library for Arch 8051 / AVR Arduino(R) IDE
Library designed for the Arduino Uno platform and AVRPascal editor
PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
EEPROM and FLASH Labraries for Arduino IDE with Ardui89
Cross-platform IDE for developing embedded solutions and desktops
freeRTOS for Arduino Uno, Goldilocks 1284p & Mega 2560
Convert your Arduino C/C++ code to Assembly code.
AVR simulator IDE
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
Toolkit to program AVRs with linux