W25qxx, N25Qxx and other SPI FLASH driver for stm32 HAL
Open source STM32 MCU programming toolset
a self-contained development environment for embedded systems.
ESP8266 core for Arduino
MinGW GCC cross development environment for Power PC.
MinGW GCC cross development environment for ARM.
MinGW GCC cross development environment for M68K.
C-level driver collection for MSP430 and derivatives
Simple USB flash memory programmer.