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Ignite Realtime

Ignite Realtime is an open source community that develops XMPP-based real-time communication software, including the Openfire server, the Spark IM client and the Smack Java library. Its projects are licensed under the Apache License 2.0.

Licensing at a Glance

  • Open source

  1. Openfire is a real-time collaboration server licensed under the open source Apache License and uses the XMPP protocol.[1]

  2. The Openfire source repository is distributed under the Apache License, Version 2.0.[2]

  3. Spark, a cross-platform IM client for businesses and organizations, is listed under the open source Apache licence.[3]

  4. Smack, a pure Java XMPP client library that can be embedded in applications, is listed under the open source Apache licence.[4]

  5. Professional support and services are offered through a directory of third-party professional partners rather than by the project itself.[5]

Products

References

  1. Ignite Realtime: Openfire Server · igniterealtime.org · retrieved 2026-09-27
  2. Openfire/LICENSE.txt at main · igniterealtime/Openfire · GitHub · github.com · retrieved 2026-09-27
  3. Ignite Realtime: Spark IM Client · igniterealtime.org · retrieved 2026-09-27
  4. Ignite Realtime: Smack API · igniterealtime.org · retrieved 2026-09-27
  5. Ignite Realtime: Support · igniterealtime.org · retrieved 2026-09-27
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