Tick-Tock Cassandra Server Releases

Cassandra is moving to a monthly release process called Tick-Tock. Even-numbered releases (e.g. 3.2) contain new features; odd-numbered releases (e.g. 3.3) contain bug fixes only. If a critical bug is found, a patch will be released against the most recent bug fix release. Read more about tick-tock here.

The latest tick-tock release is 3.5, released on 2016-04-13.

Older Supported Cassandra Release Series

Apache Cassandra 3.0.x is supported until May 2017. The latest release is 3.0.6, released on 2016-05-13.

Apache Cassandra 2.2 is supported until November 2016. The latest release is 2.2.6, released on 2016-04-26.

Apache Cassandra 2.1 is supported until November 2016 with critical fixes only. The latest release is 2.1.14, released on 2016-04-26.

Older (unsupported) versions of Cassandra are archived here.

Third Party Distributions (not endorsed by Apache)

CQL

The current major version of the Cassandra Query Language is CQL version 3. The CQL3 documentation for the following versions of Cassandra are available: 3.0, 2.2 and 2.1.

New users to Cassandra should be sure to check out the Getting Started guide.

Source

The Cassandra source code is available to download:

Development is done in the Apache Git repository. To check out a copy:

git clone http://git-wip-us.apache.org/repos/asf/cassandra.git

Bleeding edge development snapshots of Cassandra are available from Jenkins continuous integration: trunk

Potential contributors should look over the wiki, in particular HowToContribute.