cc65 - a freeware C compiler for 6502 based systems
An assembler for the legendary 6502 processor and it's derivatives
multi-platform cross assembler for 6502/6510/65816 cpu
The Small Device C Compiler (SDCC), targeting 8-bit architectures
Action! - The Native Programming Language for Atari 8-bit Computers
A z80n-targeted repack of SDCC Win64 snapshot
This repository provides a Vim language support the ca65 assembly
6800 Emulator runs on Teensy 4 processor
ATasm is a 6502 command-line cross-assembler.
Action a programming language for Atari 8-bit
Cross-platform 6502 assembler
A "Just Enough Language" compiler targeting the 6502/Z80/6809
A Toolkit for Designing Computers
arm-lisp is a Lisp compiler for ARM and 6502 processors
A lisp compiler suite for the 6502 architecture.