Universal database contract for applications and agents.

sovereign embedded vector database, single-file .nest container with content-addressable citations, reproducible builds, and offline-first model verification.

Embedded realtime database with vector search (HNSW), BM25, RRF hybrid retrieval, Boolean DSL, real-time SUB/UNSUB push, and ACID transactions with WAL. One self-contained binary under 1 MB. Apache-2.0.

An embedded, serverless vector database for Go. Think SQLite, but for vectors.

Embedded database with row storage and HNSW vector search, written in Rust