Dictionaries
Yomitan
Yomitan is a web extension popup dictionary for many languages.
Kakki-to-Yomitan
Yomitan-compatible dictionaries from wikitionary data. Includes nearly any language combination so you can get zh-eng, zh-zh, jp-en etc. GitHub
Kroll's Student Dictionary of Classical and Medieval Chinese (Yomitan version)
A English dictionary for classical chinese. This is a reformatted version of the previous Kroll's SDCMC yomitan dictionary Drive
Vogelsang's Classical Chinese Dictionary
The glossary from Vogelsang's Introduction to Classical Chinese reformatted into a Yomitan dictionary. Includes his innovative word classifications. Excellent for understanding a word's function in a sentence or for using alongside his textbook. Drive