Spark

Spark is an Open Source, cross-platform IM client optimized for businesses and organizations.

• Group Chat
• In-line Spell Checking
• Strong Message Encryption
• Tabbed Conversations
• File Transfer
• Screen Capture Sharing

Combined with the Openfire server, Spark is the easiest and best alternative to using un-secure public IM networks.

Spark - an Ignite Realtime community project.

Resources

• Translation: https://explore.transifex.com/igniterealtime/spark/
• Documentation: https://www.igniterealtime.org/projects/spark/documentation.jsp
• Community: https://discourse.igniterealtime.org/c/spark
• Bug Tracker: https://igniterealtime.atlassian.net/browse/SPARK
• Nightly Builds: https://www.igniterealtime.org/downloads/nightly_spark.jsp
• XMPP compliance: https://xmpp.org/software/spark/

Install

Download last release from GitHub releases page or nightly build with latest changes. For Windows, if you are not sure, if it's recommended to download the spark_*-64bit.msi. If you don't have Java JRE installed then download and install an .msi file the of the JRE 17 or newer from Zulu or Oracle.

Screenshots

Bug Reporting

Only a few users have access for filling bugs in the tracker. New users should:

1. Create a Discourse account
2. Login to a Discourse account
3. Click on the New Topic button
4. Choose the Spark Dev category and provide a detailed description of the bug.

Please search for your issues in the bug tracker before reporting.

Run from sources

$ git clone https://github.com/igniterealtime/Spark.git
$ cd Spark/core
$ mvn exec:java

• Setup IDE with the source:
  • Intellij,
  • Eclipse,
  • Visual Studio Code.
• Plugins development guide
• Spark Development Forum

Ignite Realtime

Ignite Realtime is an Open Source community composed of end-users and developers around the world who are interested in applying innovative, open-standards-based Real Time Collaboration to their businesses and organizations. We're aimed at disrupting proprietary, non-open standards-based systems and invite you to participate in what's already one of the biggest and most active Open Source communities.