Codebase 64
 The best source for Commodore 64 assembly coding. 

Ready 64
The greatest Commodore 64 italian website. If you are searching for any publication in italian language concerning the world of C64 this is the right place to go.

Lemon 64
The best international Commodore 64 website where you can find everything about gaming, programming and it own's an exellent general discussion forum.