The ODA tool includes data visualization, normalization, differential test, and feature enrichment analysis. V1.7.4 can be used to (1) visualize metabolomics, proteomics, microarray and normalized bulk RNA-seq data; (2) normalize metabolomics, proteomics, and microarray data; (3) test metabolomics, proteomics, and microarray data for differentially regulated features; (4) test for metabolite/lipid enrichment following differential tests. More functionalities are to be developed.