Social Source Commons

While you may not think of your life in these terms, it's comprised of a set of overlapping groups: work, home, school, church, and so on. All of them vying for your attention.

The problem is, these groups are disconnected. You're left wading through different email accounts, calendars, address books, notebooks and voicemails in a vain attempt to keep everything straight. AirSet uniquely solves this problem

dead.licious is a tool for verifying that all of your bookmarks in your del.icio.us accounts are still valid and gives you the option of removing those dead links.

Link directory script, open source, simple to install and customise, with nice features like RSS feeds.

Find broken links on web sites