https://search.hoothin.com/
SearchJumper - Context menu search & multi-engine switcher
Open-source browser extension for context menu search, selection search, and multi-engine switching with keyword highlight and automation.
context menumulti enginesearchjumperswitcher
https://greasyfork.org/bg/scripts/479610-searchjumper-levenshtein-addon
SearchJumper levenshtein addon
Add similarity search based on Levenshtein distance to the highlight feature of SearchJumper.
searchjumperlevenshteinaddon