<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>opensource.fyi — Databases &amp; Search</title><description>Relational, document, vector and search engines, plus the platforms built on them.</description><link>https://opensource.fyi/categories/databases/</link><item><title>Qdrant — A vector database and similarity search engine for AI applications.</title><link>https://opensource.fyi/projects/qdrant/</link><guid isPermaLink="true">https://opensource.fyi/projects/qdrant/</guid><description>Qdrant is an open source vector database written in Rust. It stores embeddings with payloads and serves fast filtered similarity search over an API.</description><pubDate>Tue, 10 Nov 2026 10:50:00 GMT</pubDate><category>vector-search</category><category>vector-database</category><category>rust</category></item><item><title>Valkey — A high-performance key-value datastore, the community fork of Redis.</title><link>https://opensource.fyi/projects/valkey/</link><guid isPermaLink="true">https://opensource.fyi/projects/valkey/</guid><description>Valkey is an open source, BSD-licensed key-value datastore forked from Redis in 2024, maintained under the Linux Foundation and compatible with Redis clients.</description><pubDate>Tue, 10 Nov 2026 10:40:00 GMT</pubDate><category>key-value</category><category>cache</category><category>in-memory</category></item><item><title>DuckDB — An in-process analytical SQL database.</title><link>https://opensource.fyi/projects/duckdb/</link><guid isPermaLink="true">https://opensource.fyi/projects/duckdb/</guid><description>DuckDB is an open source, in-process SQL database built for analytics. It queries Parquet, CSV and JSON files directly and embeds in Python, R and more.</description><pubDate>Tue, 10 Nov 2026 10:30:00 GMT</pubDate><category>sql</category><category>analytics</category><category>olap</category><category>embedded-database</category></item><item><title>Supabase — The Postgres development platform with auth, storage, realtime and edge functions built in.</title><link>https://opensource.fyi/projects/supabase/</link><guid isPermaLink="true">https://opensource.fyi/projects/supabase/</guid><description>Supabase is an open source backend platform built on PostgreSQL, bundling a database, authentication, instant APIs, file storage, realtime subscriptions and edge functions.</description><pubDate>Tue, 10 Nov 2026 00:00:00 GMT</pubDate><category>postgres</category><category>backend-as-a-service</category><category>auth</category><category>realtime</category><category>vector-search</category></item><item><title>Meilisearch — A lightning-fast search engine API with typo tolerance and hybrid search.</title><link>https://opensource.fyi/projects/meilisearch/</link><guid isPermaLink="true">https://opensource.fyi/projects/meilisearch/</guid><description>Meilisearch is an open source search engine written in Rust. It offers search-as-you-type, typo tolerance, filtering, faceting and hybrid semantic search behind a simple REST API.</description><pubDate>Wed, 04 Nov 2026 00:00:00 GMT</pubDate><category>search-engine</category><category>full-text-search</category><category>rust</category><category>vector-search</category></item></channel></rss>