just-bash plugin: db (MongoDB-style document store) and vec (vector similarity search) commands for in-shell agents.

Vector autocomplete powered by transformer embeddings and cosine similarity — search by meaning, not keywords.

Computes the cosine similarity between two arrays.

High-performance vector database with sub-10ms similarity search

Ultra-fast, zero-dependency local semantic cache for LLM/AI prompt responses with built-in TF-IDF vectorizer, vector similarity search, and file persistence.

3D vector memory store with cosine-similarity search and octree indexing for the Heady AI Platform.

Vector capability for @oxlayer/capabilities - defines vector similarity search semantics and interfaces

A library implementing different string similarity

TypeScript definitions for string-similarity

[Future Scope - Do not use until v1.0.0] FAISS local vector similarity search library wrapper for GlimLang

Roy — PostgreSQL JSONB stores and pgvector similarity search adapters.

The analytical database for React Native — OLAP queries, full-text search, vector similarity search, and remote data on iOS and Android with native C++ performance

Damerau - Levenshtein distance by The Spanish Inquisition + relative distance

Easy-to-use semantic search plugin for Supabase with automatic embedding generation and vector similarity search

In-memory vector store with cosine similarity search for embeddings

Calculates similarity between two strings

Engine + storage abstraction for embeddings and similarity search.

High-performance vector database with HNSW indexing - 50k+ inserts/sec, built in Rust for AI/ML similarity search and semantic search applications

Compares two spectra using a tree similarity

Smaller & Faster Single-File Vector Search Engine from Unum