Modern CSV - A CSV editor/viewer
Data Wrangler - Wrangler is an interactive tool for data cleaning and transformation.
Tabula - Tabula is a tool for liberating data tables locked inside PDF files. Extract tables from PDFs.
Trifacta - Data Transformation Platform.
Talend - Talend Cloud delivers a single, open platform for data integration across cloud and on-premises environments. Put more data to work for your business faster with Talend.
R AnalyticFlow - Open source data analysis software built on R, for interactive data analysis with or without R programming. Works on Windows, Mac, and Linux.