Online Journals for Teachers

TESL-EJ (The Electronic Journal for English as a Second Language): Peer-reviewed, accessible research for ELT professionals, hosted by universities.
English Teaching Forum: Published by the U.S. Department of State, offering practical ideas for ESL/EFL teachers.
Studies in Second Language Learning and Teaching (SSLLT): Covers various aspects of second language acquisition and teaching.
L2 Journal: Interdisciplinary, open to general audiences, covering language learning, literature, and culture.
ELT Journal (Oxford University Press): While some content is paywalled, it’s a leading journal with some accessible articles on applied linguistics.
ESP Today: Focuses on English for Specific Purposes in higher education.
ELTED (English Language Teacher Education and Development): Annual journal from the University of Warwick on teacher training.
Arab World English Journal (AWEJ): Open access with a focus on English language studies in the Arab world.
Foreign Language Annals (subscription, with some open access) – Do check the video abstracts on this page
Language Learning and Technology

Dr Duy Van Vu’s Comprehensive list – a professor at Lancaster University
Journals of interest (by paid subscription most of them by the Univ of Alabama

A fuller list can be found here