The cBioPortal for Cancer Genomics is a public cBioPortal site hosted by the Center for Molecular Oncology at Memorial Sloan Kettering (MSK). The cBioPortal software is now available under an open source license via GitHub. The software is now developed and maintained by a multi-institutional team, consisting of Weill Cornell Medicine, MSK, the Dana Farber Cancer Institute, Princess Margaret Cancer Centre in Toronto, Children’s Hospital of Philadelphia, The Hyve in the Netherlands, and Bilkent University in Ankara, Turkey.