DuckDB is an analytical in-process SQL database management system
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Updated
Dec 10, 2025 - C++
DuckDB is an analytical in-process SQL database management system
Simple and fast JSON database
libSQL is a fork of SQLite that is both Open Source, and Open Contributions.
Turso is an in-process SQL database, compatible with SQLite.
A transactional, relational-graph-vector database that uses Datalog for query. The hippocampus for AI!
chDB is an in-process OLAP SQL Engine 🚀 powered by ClickHouse
A cloud native embedded storage engine built on object storage.
The AI-Native Search Database. Unifies vector, text, structured and semi-structured data in a single engine, enabling hybrid search and in-database AI workflows.
🗻 Log-structured, embeddable key-value storage engine written in Rust
A simple, fast and versatile Datalog database
A potentia Ad Actum ★ Fullfast transactional key-value memory-mapped B-Tree storage engine without WAL ★ Surpasses the legendary LMDB in terms of reliability, features and performance
Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.
Tonbo is an embedded database for serverless and edge runtimes.
PoloDB is an embedded document database.
NoSQL embedded document store for Java
Lightning Memory Database (LMDB) for Java: a low latency, transactional, sorted, embedded, key-value store
A lightweight document-oriented NoSQL database written in pure Golang.
Drop-in embedded database in Rust
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