Current downloads

Check_MK Raw Edition (CRE)
1.2.6 (old-stable): 1.2.6p16
1.2.8 (stable): 1.2.8p19
1.4.0 (beta): 1.4.0b4

Check_MK Enterprise Edition (CEE)
1.2.6 (old-stable): 1.2.6p16
1.2.8 (stable): 1.2.8p19
1.4.0 (beta): 1.4.0b4
1.4.0i3 (innovation): 1.4.0i3p1

Enterprise Edition - Demo Version
1.2.6 (old-stable): 1.2.6p16
1.2.8 (stable): 1.2.8p19
1.4.0 (beta): 1.4.0b4
1.4.0i3 (innovation): 1.4.0i3p1

For more information and other versions please visit the download page.

Interview

Nagios' chief developer Ethan Galstad interviews Mathias Kettner on Check_MK. Read the full interview here.