Financial

Pension calculator - how much should you contribute every month?
Mortgage calculator - can you afford that house?
Share predictor - buy and sell! (no longer available)

Finders

Nintendo Wii Fit UK US
Nintendo DS Lite UK US
Spore UK US
Super Mario Galaxy UK
XBox 360 Elite US UK
Sony Playstation 3 (60GB) UK
Nintendo Wii UK US

Mashups

Free wireless internet hotspots - where to find them
Search Engine Optimization - tips and tricks to get more traffic
Make shorter URLs - shorter than TinyURL
Submit press releases - distribute news
Creative writing - write a short story
Find restaurants nearby - google maps mashup
Free software downloads - submit yours with a pad file
Sell property online - list yours on an interactive map
HDTVs for sale - go high-definition
Movie soundtracks - film music and themes
Discount shopping - find some great bargains
Pixel advertising - a new way to advertise on the internet

- Find more mashups like a live photo slideshow (Flickr mashup) and geography quizzes (made with Google Maps)

Programming

Extra Mile Algo Standard - a standard for publishing algorithms on the web
Web APIs - some APIs that are available online
Useful algorithms - established methods for solving problems
Programming tips - general coding resources

Puzzles and Games

Random Word - play Just a Minute!
Paint by numbers solver - also known as Mario's Picross solver or Nonogram solver

- Here's a puzzle website where you can play the Countdown Numbers Game, Countdown Conundrum and solve Sudoku puzzles

Software

- Mostly webcam software but there's other stuff too

Sport

Tournament Scenarios - see which teams are likely to face each other in tournaments like the Rugby World Cup or the Euro Football Championships

- Here's a live sports chat which has tools like an online Duckworth Lewis Calculator