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ProcessOne

Messaging infrastructure built on open standards

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ProcessOne builds and maintains ejabberd, a multiprotocol messaging server supporting XMPP, MQTT, SIP and Matrix. The company positions itself around self-hosting, open standards and operational control, offering open-source, licensed and managed deployment options for governments, regulated industries and product builders.

12 alternatives to ProcessOne

Ranked by how well each tool replaces ProcessOne: shared features, audience, price and popularity.

  1. ejabberd

    The messaging server that keeps real-time under your control.

    Has a free plan.

    Free planOpen source
    62 out of 100 match$200/mo

  2. XMPP

    The universal messaging standard

    60 out of 100 match—

  3. Element

    Freedom to communicate on your own terms.

    Has a free plan.

    Free planOpen source
    60 out of 100 matchContact sales

  4. Matrix.org

    An open protocol for secure, decentralised communication.

    Open source
    59 out of 100 match—

  5. Prosody IM

    A modern XMPP communication server written in Lua

    Open source
    56 out of 100 match—

  6. Mattermost

    Secure, self-hostable collaboration

    Has a free plan.

    Free plan
    55 out of 100 matchContact sales

  7. Tigase

    Instant Communication, Presence And Messaging software based on the XMPP standard

    Has a free plan.

    Free planOpen source
    54 out of 100 matchFree

  8. Tinode

    Open source messaging platform built mobile-first

    Has a free plan.

    Free planOpen source
    53 out of 100 matchFree

  9. Apache ActiveMQ

    Multi-protocol, Java-based open source message broker.

    Open source
    49 out of 100 match—

  10. Apache Qpid

    Messaging built on AMQP

    Open source
    46 out of 100 match—

  11. Open-Xchange (OX)

    The open platform for business communication.

    Open source
    45 out of 100 match—

  12. ProcessOn

    AI-powered online flowchart and mind map tool for real-time collaboration and knowledge

    Has a free plan.

    Free plan
    45 out of 100 matchFree