Similar to GNOME_Office

EGS (program)

Element (software)

Emacs

Erlang (programming language)

Mule (software)

Etherpad

Euler Mathematical Toolbox

Exa (command-line utility)

Exaile

Expr

EZ Publish

Falkon

Far Manager

Fast Library for Number Theory

Fetchmail

FFmpeg

Fastest Fourier Transform in the West

FindBugs

Firebird (database server)

Firestarter (firewall)

Firewalld

Flatpak