esquisse - RStudio add-in to make plots with ggplot2 drag and drop GUI.

Forecastio AI - Gain actionable sales pipeline insights, build accurate sales forecasts, automate sales planning, and forget about complex, time-consuming spreadsheets.

R Lang - R is a free software environment for statistical computing and graphics.

Aviso - Aviso provides predictive analytics software to help sales organizations optimize their performance and exceed revenue goals using machine learning algorithms and portfolio management techniques.

Rattle - Rattle is a GUI for data mining using R.

Clevenue.io - Clevenue are a revenue planning & projection platform that helps businesses grow more predictably and efficiently, without the need for spreadsheets.