Overview — Apache Arrow Ballista documentation
Dragonfly - The Fastest In-Memory Data Store
dragonflydb.ioPolars
pola.rsAnnouncing Observable 2.0
observablehq.com
An open-source graph–vector database built from scratch in Rust.
HelixDB combines graph and vector data natively, along with its own query language (HelixQL), to make building RAG pipelines more performant and accurate!