The Newsreaders site helps users wend their way around Web newsgroups.
It also helps users track changes to the hardware and software in their networks.
He says the app helps users "retain all the social agreements you're already making".
Facebook's reporting tool now helps users resolve simple grievances among themselves.
Like the social shopping site Groupon, Coupons.com helps users find location-based deals in their area.
Friendster, a start-up company based in Sunnyvale, Calif., helps users meet friends of friends, by encouraging social networking.
And Yahoo Groups, which helps users organize online groups, offers no tools to help people get together offline.
It also helps users form groups of working mothers to socialize within their neighborhoods through message boards.
Google released a map service yesterday that helps users get driving directions and search for restaurants and other businesses.
It helps users post batches of photos to Facebook, applying crops and filters as they go, while tagging friends.
The group has established a Web site, www.RetireOnYourTerms.org, that helps users select a financial planner and calculate retirement needs.
