Labs OMDLabs edition with additional cores and addons.
Nagios/Naemon Nagios or Naemon as standalone core and/or integrated into OMD. Questions on setup and configuration. Enterprise editions are not supported.
CheckMK CheckMK as an add-on and/or fully integrated into OMD as CheckMK Raw Edition (CRE). Questions on plugins, configuration, inventory and integrations. Enterprise editions are not supported.

About the OMD category [OMD] (1)
Overview & Versions [OMD] (2)
Apt-get upgrade fails: check-mk-agent needs to be reinstalled, but I can't find an archive for it [CheckMK] (5)
Website Monitoring with Check_MK - Unauthorized? [CheckMK] (1)
Check_MK Agent Windows [CheckMK] (1)
Treeangle - Sidebar [CheckMK] (3)
vSphere DiscoveryProblems [CheckMK] (4)
Notification concept with sms alertings [CheckMK] (4)
Broken pipe [CheckMK] (3)
Check_MK Raw 1.4 with Grafana 5 [CheckMK] (5)
Batch script | net use don't work [CheckMK] (4)
Windows drive name display on web frontende [CheckMK] (5)
Migration Path [Nagios/Naemon] (2)
Check_MK Multisite [CheckMK] (5)
Issues with CMK Agent on Windows Server 2016 (DA Role installed) [CheckMK] (7)
NagiosQL 3.4.0 available [Nagios/Naemon] (1)
Check_mk bionic [CheckMK] (5)
Local Checks not found | batch script with no output [CheckMK] (9)
Check_mk UNKNOWN - check failed - NotImplementedError [CheckMK] (2)
Pnp4nagios fails when showing graph, sizeof() ( 2 ) [CheckMK] (24)
OMD CRE - Nagios Issue [OMD] (9)
Upgrading OMD and the OS [CheckMK] (2)
Check_MK Service is null [CheckMK] (18)
Check Files Windows ( 2 ) [CheckMK] (32)
CheckMK downtimes [CheckMK] (3)
[fileinfo] - Unknown - File not found [CheckMK] (10)
Logwatch doesn't submit error messages [CheckMK] (15)
Howto establish a check for a single file [CheckMK] (9)
Local Check on a Linux System send wrong data [CheckMK] (5)
Custom snmp based checks parameters [CheckMK] (3)