levenshtein algorithm - Robuta Search

https://senatik.itda.ac.id/index.php/senatik/article/view/344

Keywords Search Correction Using Damerau Levenshtein Distance Algorithm

https://github.com/hiddentao/fast-levenshtein

Efficient Javascript implementation of Levenshtein algorithm with locale-specific collator support. - hiddentao/fast-levenshtein

https://www.mail-archive.com/code4lib@listserv.nd.edu/msg30781.html