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Open Source FreeSWITCH Alternatives

Discover 5 open source alternatives to FreeSWITCH. All free, community-driven, and actively maintained.

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What is FreeSWITCH?

Open-source telephony platform for voice, video, and messaging communications

Visit FreeSWITCH
asterisk
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asterisk

The official Asterisk Project repository.

PBX
kamailio
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kamailio

Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms, focusing on flexibility, security and scalability

SIP
routr
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routr

⚡ The future of programmable SIP servers.

SIP Server
opensips
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opensips

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.

SIP Server
fusionpbx
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fusionpbx

Official FusionPBX - A full-featured domain based multi-tenant PBX and voice switch for FreeSwitch.