The "Peer Directed Projects Center" is a nonprofit organisation. According to http://freenode.net/contributions.shtml:
The purpose for which the corporation is organized is to help peer-directed project communities flourish. Peer-directed projects combine open, informal participation with broad licensing and wide dissemination of output.

PDPC exists to provide real-world resources to peer-directed communities.

The main service that the PDPC is currently providing is freenode, previously known as Open Projects Net