Development tools

Assemblers

 * AS assembler
 * vasm
 * JAS 68k assembler (by Charles Doty) JAS 68k assembler
 * Maccer preprocessor for JAS (by Michael Hope) Maccer
 * SNASM68k assembler SNASM68K 2.02Ex

Compilers

 * NeoDev C compiler and tools NeoDev SDK (Mirror: [[File:NeoDev001.zip]])

Disassemblers

 * IRA 68k diasassembler (by Antiriad) Ira.zip

Assemblers

 * WLA-DX cross assembler for multiple platforms, Z80 included. WLA-DX 9.2 Win32 binaries
 * vasm

Compilers

 * ZCC Z80 C compiler ZCC 0.96
 * SDCC ("Small Device C Compiler", includes Z80 as a target)

Disassemblers

 * DASM Z80 disassembler (by Charles Doty) DASM
 * Inkland DZ80 disassembler DZ80 2.0

Source editors
Context (with highlighter), PM...

Music

 * MVSTracker FM music editor and player (by Ivan Mackintosh). MVSTracker
 * MVSTracker Suite (modified MVSTracker by Kaneda)
 * Goldwave sound editor
 * Audacity sound editor

Graphics

 * YY-CHR multi-format tile editor, used in 4BPP SNES mode with NGGTS to make C and S ROMs. YY-CHR 0.99
 * NeoGeo Graphics ToolSuite. NGGTS
 * Sprite graphics converter by IQ. MVS to CD sprite converter
 * (4BPP SMS/GG/WSC) Neo-Geo Sprite Converter by freem. (Further work required for converting to Cart (split files by words (2 bytes)) and CD (byteswap file)-usable files.)