Top 4 polish open source projects

validate-polish
Utility library for validation of PESEL, NIP, REGON, identity card etc. Aimed mostly at Polish enviroment. [Polish] Walidacja numerów pesel, nip, regon, dowodu osobistego.
krnnt
Polish morphological tagger.
pl.javascript.info
Modern JavaScript Tutorial in Polish
PoLitBert
Polish RoBERTA model trained on Polish literature, Wikipedia, and Oscar. The major assumption is that quality text will give a good model.
1-4 of 4 polish projects