Adding to this, here's a couple more options (also written in Rust): Meilisearch - https://meilisearch.com/ https://meilisearch.com/ Sonic - https://github.co

Adding to this, here's a couple more options (also written in Rust): Meilisearch - https://meilisearch.com/ https://meilisearch.com/ Sonic - https://github.com/valeriansaliou/sonic#readme https://github.com/valeriansaliou/sonic#readme Sonic is slightly different in that it returns the indexes to the documents that you use to go and get from an external store, but the engineering behind it is super cool: it uses finite-state-transducers to build the trie's which are then search. Edit: updated to correct link