redis / redis

In-memory data structure store used as a cache, database, message broker, and vector/document query engine.

elastic / elasticsearch

Free and open source distributed RESTful search and analytics engine built on Apache Lucene.

typesense / typesense

Typesense is an open-source, in-memory search engine with typo tolerance, faceting, geosearch, and vector search.

firebase / firebase-ios-sdk

Source for Firebase's open-source Apple platform libraries, covering auth, Firestore, messaging, storage, and more for iOS and macOS apps.