Day Two Begins at The Ajax Experience
- SquirrelFish: The engine used by Safari 4.0
- V8: The engine used by Google Chrome.
- SpiderMonkey: The engine that powers Firefox (up to, and including, Firefox 3.0).
- TraceMonkey: The engine that will power Firefox 3.1 and newer (currently in nightlies, but disabled by default).
- Futhark: The engine used in Opera 9.5 and newer.
- IE JScript: The engine that powers Internet Explorer.