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

The in-memory data store used by millions of developers as a cache, vector database, document database, streaming engine, and message broker.

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...
JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language, Standard ECMA-262 3rd Edition - December 1999.

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



One DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.




HyperDex is the next generation key-value store. It provides a rich API, strong consistency, fault-tolerance, and transactions.
immudb is a database with built-in cryptographic proof and verification. It tracks changes in sensitive data and the integrity of the history will be protected by the clients, without the need to trust the database.


Bluzelle is a decentralized and open source database powered by PBFT Consensus Engine. It is a NoSQL key-value store database. Learn about trustless computing and discover the benefits of a decentralized by joining our Beta testing for free.


Berkeley DB (BDB) is a software library that provides a high-performance embedded database for key/value data., Berkeley DB is the most widely used database toolkit in the world, with hundreds of millions of deployed copies.




Hazelcast is an in-memory Open Source data grid based on Java. By having multiple nodes form a cluster, data is evenly distributed among the nodes. This allows for horizontal scalability both in terms of available storage space and processing power.
It is a modern high performance GUI for Redis. It is a faster and robust Redis management tool. For developers that need to manage data with confidence. It supports Redis 6.




Kyoto Cabinet is a library of routines for managing a database. The database is a simple data file containing records, each is a pair of a key and a value. Every key and value is serial bytes with variable length.
XCache is a fast, stable PHP opcode cacher that has been tested and is now running on production servers under high load. It is tested on Linux and FreeBSD and supported under Windows, for thread-safe and non-thread-safe versions of PHP.
EJDB 2.0 — Embeddable JSON Database engine C library. Simple XPath like query language (JQL). Websockets / Android / iOS / React Native / Flutter / Java / Dart / Node.js bindings.

Tokyo Cabinet is a library of routines for managing a database. The database is a simple data file containing records, each is a pair of a key and a value. Every key and value is serial bytes with variable length.
A distributed in-memory key/value data store with optional schema. It can be used both as an embedded Java library and as a language-independent service accessed remotely over a variety of protocols (HotRod, REST, Memcached and WebSockets).
Rediant is a powerful and easy-to-use Valkey, KeyDB and Redis client designed for Android, packed with advanced tools for managing databases.




Scrapbook is a caching environment for PHP. The cornerstone is key-value-store, which sets a standard interface for cache adapters to implement. All adapters hide their inner workings behind a shared implementation. Using it means you're not just building for Memcached.