fusionpbx/fusionpbx
Official FusionPBX - A full-featured domain based multi-tenant PBX and voice switch for FreeSwitch.
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.
Official FusionPBX - A full-featured domain based multi-tenant PBX and voice switch for FreeSwitch.
OpenSIPS is a GPL implementation of a multi-functionality SIP Server that targets to deliver a high-level technical solution (performance, security and quality) to be used in professional SIP server platforms.
Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms, focusing on flexibility, security and scalability
The official Asterisk Project repository.
Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.
FreeScout — Free self-hosted help desk & shared mailbox (Zendesk / Help Scout alternative)
2 captures since 2026-05-25