Some interactive online stopwatches can be found at Online-Stopwatch.com and TimeandDate.com. Both sites offer digital stopwatch tools with a number of extra features and different clock options.
Online-Stopwatch.com features a normal stopwatch, a countdown timer, a split lap timer and an egg timer. The site also offers options for users to add online stopwatches to their Google home pages and a downloadable desktop application.
TimeandDate.com offers a conventional stopwatch that can also record split lap time. The timer can also record and save times into text files that users can download. Users can also set up start and alert times for specific time intervals.