Link to follow
These are my preferred link:
SIDPLAY
The Sidplay homepage by Michael Schwendt
HVSC
The High Voltage Sid Collection maintained by Warren Pilkington
LaLa HOME
The world of Lala with the Sid Hunt
Commodore Wire
The news you need to read
Commodo(R/r)ing
The new Commodore Ring by Baltissen
C64 Portal
The C64 news portal
Sid Play Music Library V2
The 2° generation of libsidplay by Simon White
Link
Ice Team Free Software Group