SIP softphone
http://www.vaakpbx.com
H.323 Gatekeeper for VoIP and videconferencing
Callflow Sequence Diagram Generator
SIP Video Multiconference Media Server with WebRTC support.
Connverts RADIUS acccounting messages to ETSI OSP CDRs
A command line utility for remote controlling Polycom VVX IP phones
Java VoIP/SIP PBX system (replaced by jfPBX)
Simple web interface for mapping CDR from VoIP provider to Asterisk
An administration web interface for Mumble VoIP servers in PHP
Simple and efficient tool for SIP trace filtering
SIPURA brand ATA to ncidd gateway
VozBox. Asterisk VoIP PBX.