Lithuanian wordlist 1 from ekalba.lt:
Source: https://ekalba.lt/lietuviu-kalbos-zodynas/
Version: 2024-03-05
License: https://ekalba.lt/EKALBA%20Naudojimosi%20taisykl%C4%97s

Lithuanian wordlist 2 and frequencies from LatinIME dictionaries:
Source: https://android.googlesource.com/platform/packages/inputmethods/LatinIME
Version: 66093bf509ea92fa31d796326d5f30a8d9582ffe (2023-12-21)
License: https://android.googlesource.com/platform/packages/inputmethods/LatinIME/+/refs/heads/main/NOTICE

Lithuanian wordlist 3 by Andrius Utka:
Source: https://clarin.vdu.lt/xmlui/handle/20.500.11821/12
Version: 2018-01-18
License: https://clarin.vdu.lt/licenses/eula/PUB_CLARIN-LT_End-User-Licence-Agreement_EN-LT.htm

Lithuanian wordlist 4 from Wiktionary:
Source: https://en.wiktionary.org/wiki/Category:Lithuanian_lemmas
Version: 2024-03-05
License: Creative Commons Attribution-ShareAlike License

Additionally used wooorm's dictionaries for spell checking:
Source: https://github.com/wooorm/dictionaries/tree/main/dictionaries/lt
Version: 836d7c2032167880e639a1fe522748733e528c2d (2023-11-03)
License: https://github.com/wooorm/dictionaries/blob/main/dictionaries/lt/license