Open source STM32 MCU programming toolset
Serial Bootloader for Microchip, Atmel, NXP, TI, 8051 microcontrolers
MinGW GCC cross development environment for ARM.
MinGW GCC cross development environment for Power PC.
a self-contained development environment for embedded systems.
MinGW GCC cross development environment for M68K.
Software build-automation tool written in Common Lisp
An ISP programmer for 8051 family, without a microcontroller
Simple USB flash memory programmer.
Atmel AVR universal bootloader with flash CRC
ISP Flash Programmer for Linux
parallel port programmer for every chip