Similar to Mumble

EAR (file format)

EasyBeans

Eclipse Modeling Framework

Ecu.test

European Institute for Computer Antivirus Research

EICAR test file

EISPACK

Elasticsearch

Emmet (software)

Enlightened Sound Daemon

Jakarta Enterprise Beans

Envoy (WordPerfect)

EROFS

ERP5

Euler Mathematical Toolbox

Exa (command-line utility)

F* (programming language)

F2FS

Familiar Linux

Fetchmail

FileVault