In Forrester's 32-criteria evaluation of partner relationship management (PRM) platform vendors, we identified the eight most significant software providers in the category — Allbound, Channelplace, Impartner, Outbound, PartnerPath, Relayware, Salesforce, and Zinfi Technologies — and researched, analyzed, and scored them. This report shows how each provider measures up to help B2B marketing professionals and their technology management colleagues select the right vendor for their PRM platform.