Compare software

FreeSWITCH vs FusionPBX: catalog facts
FreeSWITCH	FusionPBX
Free Free source code; commercially supported builds and professional services are available.	Free Free to download and run on your own server.
Windows, macOS, Linux, Self-hosted	Web, Self-hosted
Runs on hardware from a Raspberry Pi to multi-core servers Handles voice, video and chat	Multi-tenant PBX managed from a web interface Covers call center, fax, voicemail and conferencing
Distributed mainly as source code to build Requires telephony and server administration knowledge	Requires running and maintaining your own FreeSWITCH server Aimed at administrators with telephony knowledge
Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.