Aerospike Database is a real-time database designed for millisecond latency and large-scale transaction processing, including document access and graph traversal.
Best Key-Value Databases in 2026
Key-value databases store and retrieve data using keys, making their storage and operating characteristics important to compare for your application. Compared on clustering support, deployment model, persistence modes, supported protocols, and maximum value size, these options also vary in TTL and multi-region support. Free-plan availability and paid-from pricing offer further points to weigh. Amazon DynamoDB, Riak…
Amazon DynamoDB is a cloud-based, fully managed NoSQL database for applications that need single-digit millisecond performance at any scale, according to AWS.
Apache Ignite is an open-source, memory-first distributed SQL database for high-velocity workloads.
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Upstash Redis
Upstash Redis is a managed, serverless Redis database in the cloud, with durable storage and pay-per-request pricing.
Free planWebAPI7.3From $10 a month - 5
RocksDB
RocksDB is a free, embeddable C++ library that stores persistent key-value data.
Free planiOSAPILinuxmacOS7.0Free plan - 6

Google Cloud Bigtable
Google Cloud Bigtable is a fully managed NoSQL database for low-latency workloads such as machine learning, operational analytics, and user-facing applications.
Free planWebAPI6.8From $0.03 a month - 7

Redis Insight
Redis Insight is a free developer tool for working with Redis through a graphical interface and command line.
Free planWebLinuxmacOSSelf-hosted6.7Free plan - 8
Riak KV
Riak KV is a self-hosted distributed NoSQL key-value database for workloads that need data replicated locally or across clusters.
Free planWebAPILinuxmacOS6.5Free plan - 9

Cloudflare Workers KV
Cloudflare Workers KV is a cloud key-value storage service available through the Workers Binding API and REST API.
Free planWebLinux6.4From $5 a month - 10

etcd
etcd is a free, self-hosted key-value store for data used by distributed systems and clusters of machines.
Free planAPILinuxmacOSSelf-hosted6.3Free plan - 11

TiKV
TiKV is an open-source distributed transactional key-value database intended to provide a unified storage layer across nodes.
Free planAPILinuxmacOSSelf-hosted6.2Free plan - 12

Valkey
Valkey is an open-source key/value datastore for caching, message queues, and use as a primary database.
Free planAPILinuxmacOSSelf-hosted6.2Free plan - 13
FoundationDB
FoundationDB is a free, open-source distributed database that stores structured data as an ordered key-value store across clusters of commodity servers.
APILinuxmacOSSelf-hosted6.1 - 14
KVdb.io
WebAPISelf-hosted6.1From $19 a month - 15

SuperMassive
SuperMassive is a free, open-source distributed key-value database for in-memory operations, durability, and low latency.
Free planLinuxmacOSSelf-hostedWindows6.1Free plan - 16
Apache Accumulo
Apache Accumulo is a free, open-source sorted, distributed key/value store for storing and retrieving large datasets across a cluster.
Free planAPILinuxSelf-hosted6.0Free plan - 17
Infinispan
Infinispan is an open-source distributed in-memory database that combines caching with full-text and vector search.
Free planAPILinuxSelf-hosted6.0Free plan - 18

RonDB
RonDB is an open-source distributed storage engine for real-time applications, and a fork of MySQL NDB Cluster.
Free planAPILinuxSelf-hosted6.0Free plan - 19

Oracle NoSQL Database
Free plan5.9From $0.01 a month - 20

Tarantool DB
Tarantool DB is paid, self-hosted NoSQL in-memory database software for high-load business systems and real-time digital services.
APILinuxmacOSSelf-hosted5.8 - 21

Apache Kvrocks
Apache Kvrocks is a distributed key-value NoSQL database built on RocksDB and compatible with the Redis protocol.
APILinuxmacOSSelf-hosted5.6 - 22

Amazon MemoryDB
Amazon MemoryDB is a paid, cloud-deployed durable in-memory database compatible with Valkey and Redis OSS.
WebAPI5.5 - 23
5.5 - 24
DistKV
DistKV is a free, open-source, self-hosted distributed key-value database that keeps data in memory.
LinuxmacOSSelf-hostedWindows5.5 - 25

AntidoteDB
AntidoteDB is an open-source, self-hosted key-value database designed for high availability across geographic regions.
APILinuxSelf-hosted5.4


