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Signal alternatives · Team Chat

Open-source alternatives to Signal

Signal is not described as open source on its own site. 22 of the 75 other team communication apps in this directory are open source, according to their own sites.

Signal is free to use. All of them are free or have a free plan.

22 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

The 12 closest to Signal

  1. Wire

    End-to-end encrypted messaging and calls for organizations

    • Wire starts at €7.45 per person / month, paid annually. Signal is free.
    • Only Wire lists a web app.
    • Wire is open source and self-hostable, according to its own site.
    • Wire also covers file sharing.
    Wire vs SignalWire pricing and details

  2. Element

    End-to-end encrypted chat and calls on the Matrix standard

    • Only Element lists a web app.
    • Element is open source and self-hostable, according to its own site.
    • Element also covers file sharing.
    Element vs SignalElement pricing and details

  3. Matrix

    Open, decentralized network for chat and calls

    • Matrix is free. Signal is free.
    • Only Matrix lists a web app.
    • Matrix is open source and self-hostable, according to its own site.
    • Signal also covers video calls.
    Matrix vs SignalMatrix pricing and details

  4. Briar

    Serverless encrypted messaging that syncs over Tor, Wi-Fi or Bluetooth

    • Briar is free. Signal is free.
    • Only Signal lists an iOS app.
    • Briar is open source, according to its own site.
    • Signal also covers video calls.
    Briar vs SignalBriar pricing and details

  5. Delta Chat

    Free decentralized messenger with end-to-end encryption

    • Delta Chat is free. Signal is free.
    • Delta Chat is open source, according to its own site.
    • Signal also covers video calls.
    Delta Chat vs SignalDelta Chat pricing and details

  6. Jami

    Peer-to-peer encrypted chat, calls and video conferences

    • Jami is free. Signal is free.
    • Jami is open source, according to its own site.
    • Jami also covers file sharing.
    Jami vs SignalJami pricing and details

  7. Olvid

    End-to-end encrypted messenger needing no phone number

    • Olvid starts at €4.99 per user / month, incl. taxes (in-app purchase). Signal is free.
    • Only Olvid lists a web app.
    • Only Signal lists a Linux app.
    • Olvid is open source, according to its own site.
    Olvid vs SignalOlvid pricing and details

  8. SimpleX Chat

    Private messenger that uses no user identifiers at all

    • SimpleX Chat is free. Signal is free.
    • SimpleX Chat is open source, according to its own site.
    SimpleX Chat vs SignalSimpleX Chat pricing and details

  9. Rocket.Chat

    Open-source, self-managed chat for security-focused teams

    • Only Rocket.Chat lists a web app.
    • Rocket.Chat is open source and self-hostable, according to its own site.
    • Rocket.Chat also covers file sharing.
    • Signal also covers video calls.
    Rocket.Chat pricing and details

  10. Jitsi Meet

    Free, open-source video meetings you can self-host

    • Jitsi Meet is free. Signal is free.
    • Only Jitsi Meet lists a web app.
    • Jitsi Meet is open source and self-hostable, according to its own site.
    • Signal also covers team chat.
    Jitsi Meet pricing and details

  11. Mumble

    Free open-source voice chat with low latency

    • Mumble is free. Signal is free.
    • Only Signal lists iOS and Android apps.
    • Mumble is open source and self-hostable, according to its own site.
    • Signal also covers video calls.
    Mumble pricing and details

  12. OpenIM

    Open-source chat, voice and video infrastructure for apps

    • Only OpenIM lists a web app.
    • Only Signal lists Windows, macOS and Linux apps.
    • OpenIM is open source and self-hostable, according to its own site.
    • Signal is end-to-end encrypted, according to its own site.
    OpenIM pricing and details

10 more that are open source

All 22 in one table

Common questions

Is there an open-source alternative to Signal?

Yes. Wire, Element, Matrix, Briar, Delta Chat, Jami, Olvid, SimpleX Chat and 14 more are open source, according to their own sites.

Is Signal open source?

Signal is not described as open source on its own site. The listing was checked on Nov 12, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Signal: the alternatives its listing names first, then the tools that share the most features with it.