Typesense - Typo tolerant, delightfully simple, open source search 🔍
Swift Selection Search - Swiftly access your search engines in a popup panel when you select text in a webpage.
SearchWP - Instantly improve the search experience of your WordPress site today with SearchWP, the best WordPress search plugin you can find!
Trufflepiggy - Quick Search - The all-in-one search addon: just select and search. Find on multiple websites at once. Search via overlay, context menu or omnibar. Featuring anonymous profiles. Easy setup: select from 1000+ user generated searches. Cross-browser sync.
Meilisearch - Ultra relevant, instant, and typo-tolerant full-text search API
Selection Search - With this extension you can easily search for text you have selected.