Current downloads

Check_MK Raw Edition (CRE)
1.2.6 (old-stable): 1.2.6p16
1.2.8 (stable): 1.2.8p14

Check_MK Enterprise Edition (CEE)
1.4.0i1 (innovation): 1.4.0i1
1.4.0i2 (innovation): 1.4.0i2p4
1.2.6 (old-stable): 1.2.6p16
1.2.8 (stable): 1.2.8p14

Enterprise Edition - Demo Version
1.4.0i1 (innovation): 1.4.0i1
1.4.0i2 (innovation): 1.4.0i2p4
1.2.6 (old-stable): 1.2.6p16
1.2.8 (stable): 1.2.8p14

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.