Similar to GeoGebra

Hypertable

Internet/Intranet Input Method Framework

IKVM

ImageJ

InfraRecorder

Initng

Interactive Ruby Shell

Ispell

JACK Audio Connection Kit

Jakarta RESTful Web Services

Jigdo

Kawa (Scheme implementation)

MapServer

Miro (video software)

Mumble (software)

7-Zip

Alfresco Software

Apache Subversion

Arora (web browser)

Avidemux

Bc (programming language)

BIRT Project

Brackets (text editor)

Caddy (web server)

Progress Chef

Chromium (web browser)