Modern CSV - A CSV editor/viewer
JASP - JASP, a low fat alternative to SPSS, a delicious alternative to R.
Tabula - Tabula is a tool for liberating data tables locked inside PDF files. Extract tables from PDFs.
RStudio - RStudio™ is a new integrated development environment (IDE) for R.
Easy Data Transform - Transform your data without programming.
Statista - The Statistics Portal for Market Data, Market Research and Market Studies