Here we catalog SIX essential resources for bioinformatics research in the field of cancer. cBioPortal: Pre-processed cancer omics data Processed genotype and expression data from across hundreds of studies. Data across studies are uniformly structured. All pertinent clinical information is available. To our knowledge, by far, the best resource for cancer informatics researchers. It encompasses all consortia scale data such as TCGA. Here is the link: https://www.cbioportal.or