Alphabetical listing please. This is for side-projects, public prototypes, or anything anyone in the community creates that isn't a company.

• £5 App (talks+demos, monthly meet)
• (red) your site
• Brighton Bloggers
• Brighton iPhone Apps
• Café Scientifique (science for the sociable)
• Chrss (chess-by-rss)
• HowSociable (brand visibility metrics)
• icanhaz.com
• Silverback
• Strip Me
• Sussex Digital
• Tails (bug tracker)
• Taykt - short code SMS for everyone
• Walrss

Groups / Events:

• BarCampBrighton
• Brighton iPhone Creators (monthly free talks on iPhone development @ The Skiff)
• OpenCoffeeSussex (coffee held at Innovation Centre, meets fortnightly)
• UX Brighton (user experience design group)

     more groups can be found here: http://sussexdigital.com/networks