Instutions
- Ústav pro jazyk český AV ČR – Institute of Czech Language of the Academy of Sciences of the Czech Republic
- IQLA – International Quantitative Linguistics Association
- Lancaster University Centre for Computer Corpus Research on Language
- Institute of Formal and Applied Linguistics
- Czech National Corpus
Internet Sources
- Internetová jazyková příručka – Internet Language Reference Book
- LEXIKO – Modern Czech Lexical Database
- Příruční slovník jazyka českého (Thesaurus of Czech Language 1935–1957) –
- Vokabulář webový – Vokabulář Webový Application (sources for diachronic Czech studies)
- Nový encyklopedický slovník češtiny – New Encyclopaedia of Czech Online
- Český národní korpus – Czech National Corpus
- Český jazykový atlas – Atlas of the Czech Language
- Názvy míst – Names of Places Database (popular place names)
- Online dictionary Lingea
Journals, Articles, Full Texts
- Listy filologické – the journal of Listy filologické (selected articles available in full-text version)
- Naše řeč – the journal of Naše řeč (full-text version)
- Slovo a slovesnost – the journal of Slovo a slovesnost (full-text version)
- Slovenská reč – the Slovak journal of Slovenská reč (full-text version)
- Academia.edu – sharing research articles
- ResearchGate – sharing research articles
- Czech mediaeval sources on-line
- SCI-HUB – a public access to research papers
- RCIN – the database of Polish scholar texts (Repozytorium Cyfrowe Instytutów Naukowych)
- DOAJ – Directory of Open Access Journals
- E-databáze – electronic sources and databases available at the university library of OU
Linguistic Research Popularization
- Onomastické ŠRÁMKY – short articles on Czech proper names
- Divnopis – strange Czech place names and their etymology in TV serie by Česká televize
- Čudnopis – strange Slovak place names and their etymology in radio serie by Rádio Regina
- Czech books on linguistic research database popularization
- Lingvopedia – Multilingual website about the languages of Europe