NoSQL embedded document store for Java
Database for Android and JVM - first and fast, lightweight on-device vector database
Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.
Lightning Memory Database (LMDB) for Java: a low latency, transactional, sorted, embedded, key-value store
Apache Doris is a real-time analytics and hybrid search database for AI agents.