The Trans-Proteomic Pipeline (TPP) is a widely-used freely available open source proteomics data analysis pipeline developed at the Institute for Systems Biology (ISB) by the Ruedi Aebersold group under the Seattle Proteome Center. The TPP includes PeptideProphet, ProteinProphet, ASAPRatio, XPRESS and Libra.
Please see the TPP Wiki for the most up-to-date information, including download information.
The TPP is directly available from the Sashimi project. TPP components are also included in other commercial and non-commercial systems, including: