Manchester has a thriving software development and activism community. These and other community groups are active in the North West of England:
Drupal North West User Group
Manchester .NET User Group
Manchester BSD Grou
Manchester Digital
Manchester Digital Development Agency
Manchester Free Software
Manchester Girl Geeks
NSManchester: Cocoa Developers MeetUp
Northern Digitals
North West England Perl Mongers
North West Ruby User Group
PHP North West
Social Media Cafe Manchester
Techcelerate
Many groups use Manchester's MadLab Hackerspace and information can be found on their website.
Please register and edit this page if you would like to add more community groups to this list.