Similar to Apache_Hive

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

FLTK

Flutter (software)

FMSX

Foliate (software)

Fontconfig

FontForge

Fossil (software)