Similar to Template_Toolkit

Device independent file format#DVI-to-PDF converters

Dvips

Eclipse (software)

EGS (program)

Element (software)

Emacs

Enlightened Sound Daemon

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