Lozad.js - Highly performant lazy loader in pure JS
Reverse Dictionary - Describe a concept and get back a list of words
particles.js - A lightweight JavaScript library for creating particles.
Writefull Thesaurus - A Google Docs add-on that uses AI to give you synonyms
Dragula - A drag and drop library for developers
Dictionary Anywhere - Dictionary Anywhere is an open-source and easy-to-use browser extension for Mozilla Firefox and Google Chrome that allows you to check definitions easily while browsing the web.