Alternatives to OpenTok for all platforms with any license

  • Nexmo

    Nexmo provides innovative communication APIs that bridge traditional voice and text services with cloud communications. Nexmo enables applications and enterprises to...

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  • VoiceChat

    A free, open-source, out-of-the-box audio conferencing app exposed via an API. Talk with your teammates, friends, and others at the push of a button.

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  • Linkello

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  • Google+ Hangouts API

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  • Aculab Cloud

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  • addlive

    AddLive leverages WebRTC to allow anyone to easily add video and voice conferencing to their application.

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    • Discontinued Was acquired and taken off the market in 2014.

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