Repository Index

An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS.

• android
• ios
• kotlin
• swift

The AI-Native Search Database. Best for agent storage, it unifies vector, text, structured, and semi-structured data into a single engine. This all-in-one database makes agents smarter, easier to run, and more stable.

• mysql
• embedded-database
• ai-agents
• copy-on-write

chDB is an in-process OLAP SQL Engine 🚀 powered by ClickHouse

• data-science
• database
• embedded-database
• olap

ArcticDB is a high performance, serverless DataFrame database built for the Python Data Science ecosystem.

• big-data
• data
• data-analysis
• data-science

👑 qqzeng-ip/QZDB 极速IP解析引擎 | Next-gen High-Performance IP Lookup Engine (IPv4 & IPv6). Supports LPM, zero-allocation SDKs (C/Rust/Go/Java/C#/NodeJS/Python/PHP) & DBMS scripts.

• cidr-lookup
• cpp
• csharp
• database-scripts

pickleDB is an in memory key-value store using Python's orjson module for persistence. It can also use SQLite instead of orjson if needed.

• python
• python3
• pickledb
• database

Embedded transactional database for blobs, documents & graphs, with kernel-bypass NVMe through io_uring & SPDK, GPU compaction, and one C ABI over its own, RocksDB & LevelDB engines 🗄️

• acid
• database
• key-value-store
• document-database

An experimental embedded SQL engine in C++20. Query Parquet, CSV, JSON, Arrow, Avro, SQLite, and Excel files directly with SQL, in-process. Early-stage.

• analytics
• columnar-database
• cpp
• database

A low-memory json-based database for MicroPython

micropython relational DB using btree

• btree
• micropython
• relational-db
• database