an e-mail notification system that scans the entire Microsoft Knowledge Base every night, and e-mails you when updates or additions are made to the technologies you subscribe to.
Mailing lists are funneled into news groups. Gmane does spam detection, cross-post handling, has a TMDA-fueled encryption/forwarding service, a web interface, respects X-No-Archive, supplies RSS feeds, uses SPF, features user-defined filters, more...
a tool that simplifies the process of compressing and sending your files online. It isn't a replacement for the traditional desktop compression tools, but its just a tool that makes things easier by cutting down all the 'krunching' hassles.
Disposable temporary e-mail address which expire after 15 minutes. You can read and reply to e-mails that are sent to the temporary e-mail address within the given time frame.
page will generate a HTML encoded mailto link that is reasonably 'spambot' proof. Spambots crawl over websites looking for email addresses, when they find one they add it to their database for junk email.