This is a list of technology groups in the area, listed alphabetically. Most of these groups meet at least monthly; note meeting dates and locations. When possible, the last time the list was checked is noted by date.

Another list of groups is maintained by MDLUG.

Alphabetical

• a2geeks. Public meeting is annual. "To make Ann Arbor a better place for geeks to live and work through tech culture and community." Non-profit 501(c)3, makes grants in support of educational efforts including the Ann Arbor Mini Maker Faire. Contact: Ryan Burns, president (2012) [1]
• Ann Arbor Computer Society. 1st Wednesdays @ SRT Solutions, 6pm. Covers a broad range of technology topics, plus free pizza and soda. [2]
• Ann Arbor .Net Developer's Group. 2nd Wednesdays @ SRT Solutions. Focus on the Microsoft .NET platform. [3]
• Ann Arbor Drupal User Group. Nominally last Mondays at Ann Arbor SPARK; no meeting on schedule. [4]
• Ann Arbor Perl Mongers. [5] [6]
• Ann Arbor Ruby Brigade
• Ann Arbor Scala Enthusiasts. Contact: Dianne Marsh.
• Ann Arbor Video Interest Group. Contact: Roger Rayle.
• ARBSEC. 1st Wednesdays. February 2013 meeting at Barracuda Networks, 317 Maynard St [7]
• ARROW. 2d Wednesdays meeting, every Monday 146.96 Weekly Net [8]
• Beer:30. Weekly open house at the Tech Brewery.
• CITI Donuts. Every Wednesday, 10am. [9] Contact: Peter Honeyman.
• CNC Enthusiasts: 1st Wed. @ 7pm @ Maker Works. (6/12)
• CocoaHeads. 2d Thu Arbormoon Software, Inc. Phone Libraries, Balsamiq mockups and iPad. [10]
• Ann Arbor Coffee House Coders: every other week (Dates/Times TBA)
• Detroit VMWare User Group. [11]
• Flash Focused
• Girl Develop It Ann Arbor: Our goal is to empower and assist women interested in getting into and advancing in the tech industry.
• GO-Tech. 2d Tuesdays, 7 pm.. Meets at Maker Works. [12] (6/12)
• Google Developer Group Ann Arbor Android [1a] Contact: Dave Koziol, Arbormoon Software, Inc.
• Grange Junior Makers. For kids, meets at Pittsfield Grange.
• Great Lakes Cisco Users Group. Meets in Southfield, meeting times/dates irregular. [13]
• LA2M. Contact: Derek Mehreban.
• LugWash. 3d Thursdays. Washtenaw Linux Users Group. Meets at WCC at the TI Building. [14] "The Washtenaw Linux Users Group meetings are held on the 3rd Thursday of each month. Meetings are held on the WCC campus in the Business Education Building (Winter 2013 semester) . Please check to be sure the class that meets before us is finished with the room before entering. Meetings begin at 8pm." Contact: Kevin O’Brien, President.
• MDLUG
• MDDUG, Metro Detroit Drupal. [15] (2/10)
• Nerd Nite Ann Arbor. First meeting 1/24/13.
• Michigan!/usr/group. 2d Tuesdays at Farmington Communtiy Library. [16]
• Semislug
• SUMIT
• YAAARC is now known as Michigan Robotics Club.

By venue

• A2 Mechshop: GO-Tech, YAAARC
• Ann Arbor SPARK: Ann Arbor OpenCoffee, Flash Focused
• Arbormoon Software, Inc.: Google Developer Group Ann Arbor Android, CocoaHeads
• Barracuda Networks: ARBSEC
• Bar at Braun Court: Nerd Nite Ann Arbor
• CITI: CITI Donuts
• Computer Data (Franklin Rd, Southfield): Great Lakes Cisco Users Group
• Conor O'Neils: LA2M
• Eastern Accents: A2B3
• Farmington Community Library: MUG
• Maker Works: CNC Enthusiasts
• Panera Bread (Big Beaver Road, Troy): MDDUG
• Pittsfield Grange: Grange Junior Makers
• SRT Solutions: Ann Arbor Computer Society, AADND, MichiPUG
• Tech Brewery: Beer:30
• Washtenaw County Red Cross: ARROW
• Workantile Exchange
• WCC, TI Building: LugWash

By technological focus

• Amateur radio: ARROW, W8UM
• Android: Google Developer Group Ann Arbor Android
• Apple iPhone: CocoaHeads
• Cisco: Great Lakes Cisco Users Group
• Computer/Numerical Control: CNC Enthusiasts
• Drupal: MDDUG
• Java: Detroit Java User Group, Ann Arbor Java Users Group
• Linux: LugWash, MDLUG
• Mobile Development:
• .NET: AADND
• Perl: Ann Arbor Perl Mongers
• Python: MichiPUG
• Robotics: YAAARC - Michigan Robotics Club
• Ruby: Ann Arbor Ruby Brigade
• Scala: Ann Arbor Scala Enthusiasts
• Security: ARBSEC
• Video: Ann Arbor Video Interest Group
• VMWare: AAVUG, Detroit VMWare Users Group

By week and day

• 1st Monday:
• 1st Tuesday:
• 1st Wednesday: ARBSEC, Ann Arbor Computer Society, CNC Enthusiasts
• 1st Thursday:
• 1st Friday:
• 2nd Monday:
• 2nd Tuesday: MUG, GO-Tech
• 2nd Wednesday: Ann Arbor .Net Developer's Group, ARROW
• 2nd Thursday: CocoaHeads
• 2nd Friday:
• 3rd Monday:
• 3rd Tuesday:
• 3rd Wednesday:
• 3rd Thursday: LugWash (Washtenaw Linux Users Group) 
• 3rd Friday:
• 4th Monday:
• 4th Tuesday:
• 4th Wednesday:
• 4th Thursday: Google Developer Group Ann Arbor Android
• 4th Friday:
• Every Monday:
• Every Tuesday:
• Every Wednesday: LA2M
• Every Thursday: a2b3
• Every Friday: Beer:30