GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
GeoGebra - GeoGebra is free and multi-platform dynamic mathematics software for learning and teaching.
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
SciDaVis - SciDAVis is a free application for Scientific Data Analysis and Visualization.
Wondershare PDFelement - All-in-one PDF editor