Total Recall, developed by Brady Bouchard.
Requires Firefox 3.5+, Chrome 5+ (ish?), Safari 4+, or MSIE 8+.Works in Firefox 3.0 too, but no memorization data is saved.
Using the SM-2 algorithm for spaced interval learning.The frequency with which cards are shown is based on how you do on previous attempts.
If you have flash cards to contribute or corrections to those already here, please feel free to email me!