Free, open-source application for identification of cross-linked peptides from mass spectra.


  • Use virtually any stable cross-linker chemistry
  • Analyze isotopically labeled or non-labeled data
  • Supports open data formats (including mzXML and mzML)
  • Pre-compiled binaries get you started quickly

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Current Release

Version 1.5.5

Released on May 4 2017. Get your copy from our Downloads page.


We are open to collaborations on the analysis of protein structures using cross-linking technology. Interested parties should contact Dr. Michael Hoopmann.

MGF File Support

May 4 2017

I've always preferred file formats with richer meta information, but that doesn't diminish the fact that there are a lot ...