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Open Source Microsoft Lync Alternatives

The best open source alternative to Microsoft Lync is Jitsi Desktop. If that doesn't suit you, our users have ranked more than 25 alternatives to Microsoft Lync and five of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft Lync are Wire, BigBlueButton, OpenMeetings and sipXcom.

Microsoft Lync alternatives are mainly Web Conferencing Tools but may also be Video Calling Apps or Instant Messengers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Microsoft Lync.
This page was last updated Mar 16, 2020
  • Mac
  • Windows
  • Online
  • Android
  • iPhone

Lync enables users to communicate securely anywhere they have network connectivity, and automatically adapts to network...

Learn more about Microsoft Lync

  1. Jitsi Desktop (previously SIP Communicator) is a legacy audio/video and chat communicator with full encryption, precedessor of Jitsi Meet .

    Discontinued

    Jitsi Desktop is not actively developed anymore: last version, released in October 2017, can be still downloaded from GitHub. Its successor is Jitsi Meet

  2. Wire

    • Free PersonalOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)

    Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.



  3. BigBlueButton enables universities and colleges to deliver a high-quality learning experience to remote students.

  4. Apache OpenMeeting is a free and open-source software for group communication and collaboration.

  5. sipXcom

    • FreeOpen Source
    • Linux

    sipXcom provides complete enterprise-grade telephony, unified messaging, Instant messaging, audio conferencing, and many other features. sipXcom can be run along side your existing Cisco, Avaya, Mitel, Shortel or other PBX while you migrate users to the sipXcom system.

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Showing 5 of 5 alternatives