JSTOR provides access to more than 12 million journal articles, books, images, and primary sources in 75 disciplines.

Grammarly is an American cloud-based typing assistant. It reviews spelling, grammar, punctuation, clarity, engagement, and delivery mistakes in English texts, and suggests replacements for the identified errors. It also allows users to customize their style, tone, and context-specific language.

ERIC is an online library of education research and information, sponsored by the Institute of Education Sciences (IES) of the U.S. Department of Education.

The dictionary by Merriam-Webster is an online dictionary for English word definitions, meanings, and pronunciation.

Encyclodia provides access to over 300,000 reference entries from sources you can cite. Plus, more than 50,000 topic summaries feature related pictures, videos, topic summaries, and newspaper and magazine articles from around the world.

Dictionary.com is the world’s leading online source for definitions, words origins to synonyms.

DOAJ is a unique and extensive index of diverse open-access journals from around the world, driven by a growing community, committed to ensuring quality. It contains over 19,000 journals from 132 countries and over 80 languages.