Java wrapper for the popular chat & VOIP service
Matrix reference homeserver
A domain based multi-tenant PBX & voice switch for FreeSWITCH
Provide softphone support to AmazonConnect customers
Open-source event-driven AI powered Softphone
PHP version of Google's phone number handling library
Issabel PBX - Unified Communications
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Remote control software for applications using wi-fi or bluetooth
VICIdial Contact Center Suite
VoIP/SIP SoftPhone (formerly known as jphonelite)
Open source Fax server software for inbound / outbound internet Faxing
SMS, Fax, Voice Broadcasting and auto dialer Software
Desktop communication tool: chat, telephony, multimedia
Modern, AI-Smart, WASTE p2p for ipv4, Tor and i2p + Voice Conference.
Open source CSTA library
ICTCore: Unified Communications Framework for web developers
Web based system for Computer Assisted Telephone Interviewing (CATI)
Customer Relation Management Software with CTI integration support