COHAA promotes collaboration among local user groups. The following Central Ohio user groups provide Agile events, speakers and topics.

PMI Central Ohio
http://www.pmicoc.org/

The Project Management Institute has begun embracing Agile. The local chapter features Agile speakers throughout the year.

PMI offers an Agile wiki at:
http://agile-pm.pbworks.com/

agileLUNCHBOX (formerly XP Columbus)
http://www.agilelunchbox.org/index.html