MCU 8051 IDE is integrated development enviroment for
microcontrollers based on 8051.

Supported programming languages are C and assembly. It has its own
assembler and support for 2 external assemblers. For C language it
uses SDCC compiler.

This program is intended for Linux systems, other POSIX systems and
Microsoft® Windows® system.

This IDE contains simulator, source code editor, assembler,
HW programmer and much other tools. Simulator supports over 79 MCU
primarily from Atmel.

HW programmer supports 8 ISP programmable MCUs from Atmel
(AT89Sxx, AT89LSxx). There is also support for simple hardware
simulation (like LEDs, keys, etc.).