Awesome
Awesome MSX 
A curated list of awesome resources for the 8-bit MSX computer.
Table of Contents
Development
Basic
C
- Relearning MSX - Series of articles about developing software mostly in C and assembly language.
- SDCC for MSX sources - C library ported from SOLIDC and many useful examples on how to use it.
Assembler
- MSX Assembly Page - Loads of articles and technical references. Mostly for assebler but useful for other languages too.
- The MSX Red Book - The MSX Red Book in Markdown format. Essential technical information on how the standard works.
- AsMSX - AsMSX is Z80 assembler crosscompiler originally developed by Pitpan / Karoshi corporation. This compiler has quite some unique MSX related features.
Pascal
Tools
- MSX Pen - MSX Developer Playground & Code Editor in the browser.
Graphics
- nMSXTiles - Screen, tiles and sprites editor for MSX screen 2.
- TinySprite - Online sprite editor.
Operating Systems
MSX-DOS
Hardware
- MSX Cartridge Shop - Shop with high quality cartridges. Also producers of the MegaFlashROM.
Software
- Preservación de cintas MSX :es: - Tape software preservation project with big compilation of softare in CAS format and utils to use it in real hardware.
- CAS Tools - Set of tools to read files in wav format and convert them to .cas and back to .wav. There are also Windows binaries available.
- MSX CAS Packager - A command line interface (CLI) tool to pack/unpack MSX CAS files. Some code is based on CAS Tools.
Magazines
Communities
- MSX Resource Center - Probably the biggest community with news, a very active forum, wiki and more.
Resources
- MSX Archive - Big archive with software, technical manuals and other stuff.
Contributing
Your contributions are always welcome! Please take a look at the contribution guidelines first.
I would keep some pull requests open if I'm not sure whether the resources are awesome, you could vote for them by adding :+1: to them.