FlipClock.js was created because the other solutions weren’t abstract enough to provide a deep level of customization without rewriting the code. FlipClock.js - Features: Use as a clock Use as a timer Use as a countdown Themeable using pure CSS Clean & Dry Syntax Abstract everything into reusable objects Full-Featured Developer API to create custom “Clock Faces”
TimeTo is a jQuery timer countdown digital clock plugin.
Timeago is a jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago" or "about 1 day ago") from ISO 8601 formatted dates and times embedded in your HTML. Timeago - Features: Avoid timestamps dated "1 minute ago" even though the page was opened 10 minutes ago; timeago refreshes automatically. You can take full advantage of page caching in your web applications, because the timestamps aren't calculated on the server. You get to use microform
TimeCircles is a jQuery plugin that provides a nice looking way to either count down towards a certain time, or to count up from a certain time. The goal for TimeCircles is to provide a simple yet dynamic tool that makes it very easy to provide visitors an attractive countdown or timer.
jQuery Idle Timer Plugin is built on jQuery and fires a custom event when the user is "idle". Idle is defined by NOT: moving the mouse scrolling the mouse wheel using the keyboard
flipCountDown is a jQuery plugin, that you can use this plugin for flip count down, timer, clock, or just use it as a counter.