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Kazoo is an open-source, scalable, and flexible platform for building voice, video, and messaging applications. It offers features like PBX, voicemail, conferencing, and more.
FreeSWITCH is a scalable open-source cross-platform telephony platform designed to route and interconnect popular communication protocols using audio, video, text, or any...
Asterisk is an open-source framework for building communications applications. It turns an ordinary computer into a communications server.
Twilio is a cloud communications platform that enables users to make and receive calls, send and receive messages, and more using APIs.
Varies based on usage
Nexmo, the Vonage API Platform, provides APIs for SMS, voice, phone verification, messaging, and more to help businesses communicate with customers globally.
Varies based on usage
3CX is a software-based private branch exchange (PBX) system for unified communications that works with popular IP phones, SIP trunks, and Gateways....
Starting at $0 for the standard edition
Motivosity is a social platform where employees can give each other small monetary bonuses, connect with their coworkers, and celebrate achievements.
Contact for pricing
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