Credits
The reading tool on this site is built on open-source software and a licensed dictionary. Both are named here, with their licences.
Dictionary definitions
Word meanings shown when you tap a word while reading are definitions from Wiktionary, extracted by kaikki.org, and used under the following licence.
Wiktionary · kaikki.org · CC BY-SA 4.0
Reading engine
The book reader itself is foliate-js, by John Factotum, used under the MIT licence.
foliate-js · MIT
Compression libraries
Opening an EPUB file needs unzipping it. foliate-js bundles zip.js and fflate to do that, used under the BSD-3-Clause and MIT licences.