LanceDB vs Weaviate

LanceDB and Weaviate (Weaviate creates database software like the Weaviate vector search engine) both appear on the Smoower Developer Ecosystem Index.

LanceDB (rank #93) holds a narrow lead over Weaviate (rank #152) on the overall Smoower ecosystem score (56 vs 52). The gap of 4 points reflects composite signals across code, docs, community and reach.

On education (docs, guides and learning material for developers), Weaviate is slightly ahead of LanceDB. On community (issue response, PR reviews and discussion health), LanceDB is slightly ahead of Weaviate. On reach (how visible the ecosystem is beyond its own repos), Weaviate is slightly ahead of LanceDB. On momentum (release cadence and how fast the ecosystem moves), Weaviate is ahead of LanceDB.

LanceDB carries 12,402 GitHub stars across 52 public repos, with 17 repositories active in the last 90 days and 63 external contributors on record. Weaviate shows 30,251 stars across 140 public repos, 32 active in the last 90 days and 51 external contributors.

LanceDB is the stronger read for anyone weighting community. Weaviate looks better where momentum is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.