MongoDB is a document database with the scalability and flexibility that you want with the querying and indexing that you need
KeyDB Alternatives
KeyDB is described as 'Is fast NoSQL database with full compatibility for Redis APIs, clients, and modules' and is an app in the development category. There are more than 25 alternatives to KeyDB for a variety of platforms, including Linux, Mac, Windows, Self-Hosted and Web-based apps. The best KeyDB alternative is MongoDB, which is free. Other great apps like KeyDB are Redis, CouchDB, Valkey and DiceDB.
Alternatives list
- 101 MongoDB alternatives
- 50 Redis alternatives
The in-memory data store used by millions of developers as a cache, vector database, document database, streaming engine, and message broker.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Linux
- Self-Hosted
- Software as a Service (SaaS)
- Docker

- 74 CouchDB alternatives
Apache CouchDB is a distributed, fault-tolerant and schema-free document-oriented database accessible via a RESTful HTTP / JSON API. It includes incremental map / reduce mechanics for queries and keeps data safe with an append-only datastore.

Valkey is an open source (BSD) high-performance key/value datastore that supports a variety of workloads such as caching, message queues, and can act as a primary database. Valkey can run as either a standalone daemon or in a cluster, with options for replication and high...
Cost / License
- Free
- Open Source
Platforms
- Mac
- Linux
- BSD
- Self-Hosted
DiceDB is an open-source, fast, reactive, in-memory database optimized for modern hardware. Commonly used as a cache, it offers a familiar interface while enabling real-time data updates through query subscriptions.
Cost / License
- Free
- Open Source (BSD-3-Clause)
Platforms
- Self-Hosted
- Docker

- 52 Apache Cassandra alternatives
The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance.
Cost / License
- Free
- Open Source (Apache-2.0)
Application type
Platforms
- Mac
- Windows
- Linux
- BSD
- Amazon Web Services
- Google Cloud Platform
- Microsoft Azure

ArangoDB database is an open-source NoSQL solution with a flexible data model for documents, graphs, and key-values.



FerretDB (formerly MangoDB) is an open-source proxy, which converts MongoDB wire protocol queries to SQL, and uses PostgreSQL as a database engine.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted
- 85 Azure Cosmos DB alternatives
Azure Cosmos DB is a NoSQL document database service designed from the ground up to natively support JSON and JavaScript directly inside the database engine. It’s the right solution for web and mobile applications when predictable throughput, low latency, and flexible query are...
Cost / License
- Paid
- Proprietary
Platforms
- Online

Cockroach is a distributed key/value datastore which supports ACID transactional semantics and versioned values as first-class features. The primary design goal is global consistency and survivability, hence the name.

YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions.
Couchbase is the NoSQL database market share leader, with production deployments at AOL, Deutsche Post, NTT Docomo, Salesforce.com, Turner Broadcasting Systems, Zynga and hundreds of other organizations worldwide.
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
- Linux
























