Open source
Valkey
Open source key-value store for caching, queues and primary data
Cache and EmbeddedOpen source Redis fork
Alternatives to Redis
12 tools like Redis, chosen by what they do. About Redis
Freemium
Dragonfly
In-memory data store that works with Redis and Valkey clients
Cache and EmbeddedFast Redis compatible store
Open source
Memcached
Simple open source in-memory cache for speeding up web apps
Cache and EmbeddedSimple in memory cache
Open source
Freemium
Upstash
Serverless Redis, vector and messaging services with pay-as-you-go
ServerlessServerless Redis and Kafka
Open source
RocksDB
Embeddable persistent key-value store for fast storage
Cache and EmbeddedEmbedded key value engine
Freemium
MongoDB Atlas
Managed MongoDB database service for apps, search and AI agents
DatabasesManaged MongoDB
Freemium
Memgraph
In-memory graph database for connected data and AI context
NoSQL DatabasesIn memory graph database
Free trial
Azure Cosmos DB
Fully managed serverless NoSQL database with built-in vector search
NoSQL DatabasesGlobal multi model database
Open source
OpenSearch
Open source search and analytics suite under Apache 2.0
Vector and SearchOpen source search suite
Open source
pgvector
Open-source vector search extension for PostgreSQL
Vector and SearchVector search for Postgres
Open source
Elasticsearch
Open source search and analytics engine with vector search
Vector and SearchDistributed search engine