Twilio vs Fonoster

Is Fonoster a good alternative to Twilio? Here’s what you need to know.

Fonoster

Free

Open-source programmable telecom. Twilio alternative.

Fonoster is an open-source alternative to Twilio for programmable telecommunications. Voice, SMS, and video APIs built on open standards (SIP, WebRTC). Self-host your telecom stack with full control over your communications.

Visit Fonoster → View Full Listing

Why switch from Twilio?

Indie pricing — no enterprise markup or per-seat fees
Direct maker support — talk to the person who built it
Transparent & open — many indie tools are open-source
No vendor lock-in — own your data, export anytime

Other Twilio Alternatives

Twilio vs Novu

Building an alternative to Twilio?

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