| Principles of Paraphrasing |
| English Phrase Thesaurus |
| What Is an Idiom? Definition and examples |
| IntechOpen - Open Access Book Publisher |
| Books | Directory of Open access Books |
| Books | Open Access Library of books, mainly in humanities and social sciences |
| Books | Project Gutenberg |
| Books | Shortform - World’s Largest Summary Library |
| Dictionary | English and bilingual dictionaries |
| Dictionary | Visual Dictionary |
| Directory | Google Scholar |
| Forums | TECHWRIL - Technical writers' forum |
| Grammar | The Tongue Untied - Guide to grammar, punctuation and style |
| Grammar | Prepositions after adjectives, verbs, nouns |
| Guide | Online Manuals |
| Guide | 30 Writing Tips to Make Writing Easier |
| Guide | Email Etiquette Rules |
| Information | CIA World Factbook |
| Quotations | Bartlett's Familiar Quotations |
