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Fonoster

☁ SaaS 🟢 Updated 9d ago

Open-source programmable telecom. Twilio alternative.

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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.

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👥 15 developers visited via IndieStack this month
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smsvoiceopen-sourcetelecomself-hosted
⚡ Using this saves ~70k tokens vs building from scratch
See indie alternatives to Twilio →See indie alternatives to Vonage →

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