Rock Band 1/2/3/LEGO/Green Day/DLC charts
The Beatles: Rock Band (inc. DLC) charts
Stand-alone ChartGen program (for customs, RBN, etc.) - version 0.2.20 - for Windows, requires .NET Framework 2.0
Source on GitHub
Known chartgen API users:
A Path Too Far
: RB/2/DLC optimal guitar paths
Kawigi
: Random stuff
The Rocktimizer:
Full-band optimal paths