A key-value database or key-value store is a type of database. You can read more about databases on this post.
It is part of NoSQL databases. You can read more about NoSQL databases on this post.
Key-value Store Solutions
Key-value store solutions:
- Valkey
- Redict
- KeyDB
- Gartnet
- Redis
- etcd
- Amazon DynamoDB
- Riak
Valkey
Valkey is a key-value store database maintained by the Linux Foundation. It is written in C, an it is single-threaded.
It is FOSS under a 3-clause BSD.
It was a fork of Redis version 7.2.4, that was the last one to have a FOSS license, that was announced on 2024-03-20 through this external link.
Redict
Redict is a FOSS fork of Redis. It is written in C, an it is single-threaded.
It is FOSS under a license LGPL 3.0.
KeyDB
KeyDB is a multi-threaded fork of Redis.
It is FOSS under a 3-clause BSD.
Garnet
Garnet is a reimplementation of Redis in C#. It is developed by Microsoft.
It is FOSS under a MIT license.
Dragonfly DB
Dragonfly DB is a replacement for Redis and memcached.
It is FOSS.
Redis
Redis (an acronym standing from Remote Dictionary Server) is a key-value store database.
It is written in C, and it is single-threaded.
Redis is used on cached, as well as memcached.
It is mainly developed by company Garantia, though it was founded by Salvatore Sanfilippo.
Redis is source-viewable software. Redis core is dual-licensed Redis Source Available License (RSALv2) and Server Side Public License (SSPLv1), while Redis Modules, which include visualization tools, a client SDK and more, have an Apache License with the added Commons Clause.
Versions 7.2.4 and before were free and open source software (FOSS) under a 3-clause BSD (BSD-3) license.
BSD-3 Redis forks include Valkey (2024), Redict and multi-threaded KeyDB.
etcd
etcd is FOSS under an Apache 2.0 license.
Amazon DynamoDB
If you’re building an application on AWS, Amazon DynamoDB is a managed NoSQL database service that offers seamless scalability and low-latency performance. It’s suitable for applications with large amounts of data and high read/write requirements.
It is proprietary.
Riak
Riak is a key-value database.
It is FOSS under an Apache 2.0 license.
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External References
- Valkey
- Michael Larabel; “Linux Foundation Valkey“; Phoronix, 2024-03-28
- Frederic Valdinois; “Why AWS, Google and Oracle are backing the Valkey Redis fork“; 2024-03-31
- Joab Jackson; “Valkey will not be just be a Redis Retread“; The Register, 2024-07-18
- Redict
- Michael Larabel; “Redict 7.3 released as Fork Of Open-Source Redis“; Phoronix, 2024-04-03
- Redis
- Redis; “Redis adopts dual source-available licensing“; Redis, 2024-03
- Liam Proven; “Redis tightens its license terms, pleasing basically no one“; The Register, 2024-03-22