A tutorial on cross compiling for the 6502 CPU
A free COBOL compiler
Unix Tools For Windows
Interpreter and compiler for the Seed7 programming language.
Cross Platform GUI Toolkit
GCC for 32-bit and 64-bit Windows with a real installer & updater
Ada cross compiler and libraries for AVR µCs
A native Windows port of the GNU Compiler Collection (GCC)
Supports writing Ada software for Cortex-M3, M4F boards
text editor consol based and an IDE