Several source trees are available:
- The PCP tree - git://oss.sgi.com/pcp/pcp.git
Includes a stable ("master") and development branch ("dev"). - The PCP GUI tree - git://oss.sgi.com/pcp/pcp-gui.git
Includes a stable ("master") and development branch ("dev"). - The Parfait tree - http://code.google.com/p/parfait/source/checkout
If you have ideas or patches we recommend joining the mailing list and the #pcp IRC channel on the FreeNode network.

