из того что знаю

по msx
basic compiler
as80 ld - асм компилер/линкер
басик компилер
C компилер

вот на msxnet
- VGA scan-doubler for MSX
- IDE controller that works with MSX-DOS1
- Z380 and Z180 accelerators
- GUI toolkit and a prototype OS based on it
- SOLiD C compiller

http://msx.hansotten.com/index.php?page=beer-ide

вот тут железки
http://web.archive.org/web/200201230...ects/index.htm
вот софт
http://web.archive.org/web/200112260...arez/index.htm

там и операционка MISIX
и архивер PR/PRD для msx
и arj extractor


OTHER SOLID PRODUCTS
--------------------
AS - relocatable assembler for Z80/Z180/Z380
LD - fast linker (for .REL format)
PR - fast archive utility
VS - Visual Shell (a program like NC)
SOLID C - C compiler, ASCII C compatible
MULTI Z - Window operating system
ASM320 - assembler for TMS320C10/C20/C50 DSP