Local-first search engine and MCP server in one Rust binary, indexing code, docs, logs and PDFs for BM25, vector and hybrid search.
Object-storage native graph database with git-style branching, a typed ontology, and hybrid graph, vector, and full-text retrieval over Lance files.
Typesense is an open-source, in-memory search engine with typo tolerance, faceting, geosearch, and vector search.