Spark

[Spark] is an Open Source, cross-platform IM client optimized for businesses and organizations. Group Chat In-line Spell Checking End-to-end (E2E) Message Encryption with OTR. Tabbed Conversations File Transfer Screen Capture Sharing Message translations. Combined with the [Openfire] server, [Spark] is the easiest and best alternative to using unsecure public IM networks. Download the last release from the GitHub releases page or nightly build with the latest changes. For Windows, if you are not sure, if it's recommended to download the spark -with-jre-amd64.exe that has bundled JRE. Only a few users have access for filling bugs in the tracker. New users should: To run from an IDE execute the Main class org.jivesoftware.Spark and specify VM option -Ddebug.mode=true . Set up IDE with the source: IntelliJ, Eclipse, Visual Studio Code. Plugin development guide Spark Development Forum [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.