8051 for Arduino IDE C Package for all STC89C51 family
Soft SSD1306 by I2C AVR or 8051 Universal Arduino(R) IDE
The 8051 Simulator for Students and Educators
Soft I2C Universal Arduino AVR or 8051 Device for Arduino(R) IDE
LiquidCrystal Universal LCD Library for Arch 8051 / AVR Arduino(R) IDE
EEPROM and FLASH Labraries for Arduino IDE with Ardui89
7 seg universal Arduino Ardui89 AVR 8051 Device Driver 89C51 89C52...
A cooperative scheduler OS for the 8051 and its derivatives.
An embedded development environment on vscode
An ISP programmer for 8051 family, without a microcontroller
A z80n-targeted repack of SDCC Win64 snapshot
Serial Bootloader for Microchip, Atmel, NXP, TI, 8051 microcontrolers
ECEbuntu - a customized operating system designed for ECE
Controlling your devices with vb.net and 8051
Structured programming in 8051 assembler
Simulator of 8051 microcontrolers
A command-line programmer for Atmel USB microcontrollers
MCS-51 programmer for Linux
LED matrix rebirth