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@@ -359,6 +359,7 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
 * [MantisBT](http://www.mantisbt.org/) - Another web-based bug tracking system.
 * [osTicket](http://osticket.com/) - Open source support ticket system.
 * [Otrs](http://www.otrs.com/) - A free and open-source trouble ticket system software package that a company, organization, or other entity can use to assign tickets to incoming queries and track further communications about them.
+* [Redmine](http://www.redmine.org/) - Open source project management/ticketing web application written in Ruby.
 * [Request Tracker](http://www.bestpractical.com/rt/) - Ticket-tracking system written in Perl.
 * [TheBugGenie](http://www.thebuggenie.com) - Open source ticket system with extremely complete users rights granularity.