Flytecomm: Provides minute by minute updates of airline flight arrivals.
FreeQualityContent: Provides links to news headlines, weather forecasts, jokes, and cartoons that can be used on web sites.
Gravatar - Globally Recognized Avatar: Lets weblogs and similar sites display user-provided pictures from a central database.
Newswatcher: Free news resource for websites with links to the website of the news poster.
On Your Site: Free tools you can put on your site: the World Wide Clock, the Currency Exchange Calculator, Time and weather, daily jokes, and daily quotes.
Quotez: Adds a randomly selected quote to page using simple HTML code. Script remotely hosted.
The Financials: Quotes, charts, tickers, and currency converters. Offers free service (email address required) and branded pay services.
Urania's World: Online service of drawing astrological chart.
YourRelease: Customized news on music releases. Registration required. Free.