SurrealDB is a multi-model database built in Rust designed to unify multiple data models into a single engine.
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🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.
FerretDB is an open-source alternative to MongoDB. 0+ wire protocol queries to SQL and uses PostgreSQL with DocumentDB extension as a database engine.
MongoDB object modeling designed to work in an asynchronous environment.
RxDB (short for R eactive D ata b ase) is a local-first , NoSQL-database for JavaScript Applications. Reactive means that you can not only query the current state, but subscribe to all state changes like the result of a query or even a single field of a document.
RethinkDB is the first open-source scalable database built for realtime applications. It exposes a new database access model, in which the developer can tell the database to continuously push updated query results to applications without polling for changes.
BadgerDB is an embeddable, persistent and fast key-value (KV) database written in pure Go. It is the underlying database for Dgraph, a fast, distributed graph database. It's meant to be a performant alternative to non-Go-based key-value stores like RocksDB.