SmartHanzi
Buleku
zi.tools 字統网
Open Chinese Ancient Character Glyphs Database 開放古文字字形庫 | 古今文字集成
Multi-function Chinese Character Database 漢語多功能字庫
The Online Index of Chinese Buddhism
Resources for East Asian Language and Thought
CJKV-English Dictionary of Confucian, Daoist, and East Asian Intellectual Historical Terms