Basic languages

HiSoft BASIC
Omikron Basic
GFA Basic

m68k assemblers

Devpac
Turbo Assembler

DSP-Tools
asm56k
DSPdit
Quick DSP assembler

Aztec C
Pure C
Hisoft C
Megamax C
Lattice C

Personal Pascal

Bugaboo
Adebug
MonST
Peacebug
DSP 56001 Debugger
BSSdebug

TT-Digger
Desert Drain