Database

In-process databases usable directly from Python.

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Row number					Tags
1	duckdb Analytical	55,472,969	41,223	2026-09-14	Analytical Database Database & Storage	→
	An in-process SQL OLAP database management system; optimized for analytics and fast queries, similar to SQLite but for analytical workloads.
	duckdb/github.com/duckdb/duckdb /2026-09-14 /55,472,969 downloads/month
2	lancedb Vector	13,101,865	11,423	2026-09-14	Vector Database Database & Storage	→
	A developer-friendly embedded retrieval database for multimodal AI.
	lancedb/github.com/lancedb/lancedb /2026-09-14 /13,101,865 downloads/month
3	chromadb Vector	8,169,755	29,300	2026-09-14	Vector Database Database & Storage	→
	An open-source embedding database for building AI applications with embeddings and semantic search.
	chroma-core/github.com/chroma-core/chroma /2026-09-14 /8,169,755 downloads/month
4	tinydb Key-Value & Document	3,405,305	7,564	2026-08-10	Key-Value & Document Database Database & Storage	→
	A tiny, document-oriented database.
	msiemens/github.com/msiemens/tinydb /2026-08-10 /3,405,305 downloads/month
5	chdb Analytical	3,013,729	2,897	2026-09-14	Analytical Database Database & Storage	→
	In-process OLAP SQL engine with the full ClickHouse dialect, zero-copy pandas/Arrow interop, and federation to remote ClickHouse clusters via `remoteSecure()`.
	chdb-io/github.com/chdb-io/chdb /2026-09-14 /3,013,729 downloads/month
6	zvec Vector	46,903	15,921	2026-09-14	Vector Database Database & Storage	→
	An embedded vector database for on-device RAG and edge AI, the SQLite of vector databases.
	alibaba/github.com/alibaba/zvec /2026-09-14 /46,903 downloads/month

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