Matrix reference homeserver
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Open source Fax server software for inbound / outbound internet Faxing
ICTCore: Unified Communications Framework for web developers
Unified Communications Server
High performance, production quality STUN server and client library
Kazoo Live Medium. From Null to a Full Featured PBX on minutes
Accent interfaces and controls systems through goals and policies
SIP Video Multiconference Media Server with WebRTC support.
Connverts RADIUS acccounting messages to ETSI OSP CDRs
SIPURA brand ATA to ncidd gateway
A Murmur-Server Webinterface written in PHP for Mumble
Small and effective program for SIP traces anonymization
A suite of open-source tools and frameworks for creating SIP apps
The Agispeedy is an AGI Application Server implemention in asterisk