Here is a list of some Free Open Access Journals with online links for linguistics:
"Linguistics" by De Gruyter: https://www.degruyter.com/journal/key/LING/html
"Journal of Language and Linguistics" by Academic Journals: http://www.academicjournals.org/journal/JLLL
"Journal of Linguistics and Language Teaching" JLLT Saarbrücken, Saarland, Germany
https://sites.google.com/site/linguisticsandlanguageteaching/
"Linguistic Discovery" by Colgate University: https://linguistic-discovery.dartmouth.edu/
"Cognitive Linguistics" by De Gruyter: https://www.degruyter.com/journal/key/COGL/html
"International Journal of Applied Linguistics" by Wiley: https://onlinelibrary.wiley.com/
"Language Sciences" by Elsevier: https://www.journals.elsevier.com/language-sciences/
"Lingua" by Elsevier: https://www.journals.elsevier.com/lingua/
"Journal of Sociolinguistics" by Wiley: https://onlinelibrary.wiley.com/journal/14679841
"Studies in Second Language Acquisition" by Cambridge University Press: https://www.cambridge.org/core/journals/studies-in-second-language-acquisition
"Linguistic Discovery" by Colgate University: https://linguistic-discovery.dartmouth.edu/
"Cognitive Linguistics" by De Gruyter: https://www.degruyter.com/journal/key/COGL/html
"International Journal of Applied Linguistics" by Wiley: https://onlinelibrary.wiley.com/
"Language Sciences" by Elsevier: https://www.journals.elsevier.com/language-sciences/
"Lingua" by Elsevier: https://www.journals.elsevier.com/lingua/
"Journal of Sociolinguistics" by Wiley: https://onlinelibrary.wiley.com/journal/14679841
"Studies in Second Language Acquisition" by Cambridge University Press: https://www.cambridge.org/core/journals/studies-in-second-language-acquisition