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)
How to check the default threshold of services check [CheckMK] (4)
Check_MK Service is null [CheckMK] (5)
Logwatch doesn't submit error messages [CheckMK] (4)
Windows not unicode textlogfile [CheckMK] (6)
Nagiosql - mysql error [Nagios/Naemon] (6)
Create rulesets group [CheckMK] (9)
Check_mk local check with parameters [CheckMK] (2)
Service timeout / wato /Check_MK [CheckMK] (8)
Service / Checks Status [CheckMK] (6)
Downtime confirmation/notification [CheckMK] (2)
Check_mk - clasic nagios check - check_open_files - strange error [CheckMK] (4)
Naemon + Gearman: Host checks are not executed [Nagios/Naemon] (7)
[OMD 2.70-labs-edition] - thruk throws error for some plugins [Labs] (3)
LMD - Description of Livestatus over HTTP protocol [OMD] (9)
Status detail of a service [CheckMK] (5)
Host attributes [CheckMK] (3)
File - windows agent [CheckMK] (7)
Custom Check PowerShell Script Insufficient administrative privilege [CheckMK] (3)
Problem with Python3 [Labs] (3)
Custom SNMP monitor [CheckMK] (2)
Logwatch Apache Access und Error Logs [CheckMK] (12)
OMD 2.70 released [Labs] (1)
Check_mk / omd - notification periods [CheckMK] (3)
[PS] Multiple instances of process IIS Worker [CheckMK] (3)
Nagios is not available [Nagios/Naemon] (2)
Check_MK Raw 1.4 with Grafana 5 [CheckMK] (1)
RRD Database [CheckMK] (9)
Test Checks [CheckMK] (8)