Stroke Order Animation and Practice Quizzes
Hanzi Writer uses character data from the Make Me a Hanzi project, providing over 9000 of the most common simplified and traditional characters.
Tiny library size
The Hanzi Writer library is only 35 kb (just 10kb gzipped!), so it won't add bloat to web pages and apps.
HanziWriter's stroke order animation data was extracted from the excellent