These are our builds of the ARM GCC compiler. This is version 7.3.1 from 2018-Q2 compiled for 32-bit Linux (x86) and ARMv7 (Raspberry Pi).

For other operating systems you can download directly from ARM.

For completeness the other operating systems (ARM builds) have also been included here.

This is our build of AVR GCC version 7.2.0 along with AVR LIBC version 2.0.0

Crosstool-NG compilation of the AVR GCC toolchain version 9.2.0

This is the ESP32 toolchain from XTensa compiled for hosts that they don't provide binaries for.