Education software

Lexi is a dictionary application for easier language learning. Free and open source program

Parley is a program for vocabulary training when learning a foreign language. A free and open source program

GoldenDict-ng is a dictionary search program that supports many dictionary formats. A free and open source program

OdictO is a simple offline English dictionary application for a desktop computer

Organic Maps – offline maps with navigation for travelers, hikers, cyclists and drivers based on OpenStreetMap data. A free and open source program

Spedread is a GTK program for speed reading. A free and open source program

GNOME Graphs – tool that allows you to plot and manipulate your data with ease. Free and open source program

DL: language lessons is an unofficial Linux desktop client for Duolingo. Free and open source program

Kalzium is a free and open source program that shows the periodic table of chemical elements (Mendeleev Table)