pgvector

Open-source vector similarity search for Postgres

Vector databases

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What pgvector’s own pages say

What it says it doesOpen-source vector similarity search for Postgres github.com
Open sourceYes github.com
SDK languagesAda, Algol, C, C#, C++, Crystal, D, Dart, Elixir, Erlang, F#, Fortran, Gleam, Go, Groovy, Haskell, Java, JavaScript, Julia, Kotlin, Lisp, Lua, Nim, OCaml, PHP, Pascal, Perl, Prolog, Python, R, Racket, Raku, Ruby, Rust, Scala, Swift, Tcl, TypeScript, Visual Basic, Zig github.com

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.

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