1. Mod gearmanDistribute Naemon Host/Service Checks & Eventhandler with Gearman Queues. Host/Servicegroups affinity included.
2. ThrukThruk is a multibackend monitoring webinterface for Naemon, Nagios, Icinga and Shinken using the Livestatus API.
3. lmdLivestatus Multitool Daemon - Create livestatus federation from multiple sources