ArtSci Chicago is a blog used to connect scientists, artists, and anyone else who is interested in Visual Arts/Design, Performance Arts,Tech/Sound Arts, Biological Sciences, Physical Sciences, Social/Behavioral Sciences and the Humanities.

Meetup.com is a free online service to assist people find others who share their interest or cause, and form local community groups that regularly meet face-to-face. Some groups in Chicago include graphic designers, political activists and independant business owners.

RATIO is a non-profit network of artists, musicians, performers and supporters of the arts, run completely by volunteers to raise money for humanitarian causes.

The Stockyard Institute is a collaborative art and educational project currently based in Chicago's Westside Austin neighborhood. Working within this community,artists, educators, and activists have enacted several alternative methods of education, research and production.

A very informative online manual of collaborative art making, especially with technology.

An Exquisite Corpse is a free online collaborative art-making community. Users may register to create an online artwork with up to 4 other people.

A blog with many informative entries on collaboration and artists (mainly digital artists groups) who create artwork together.