Best In-Memory Databases in 2024

Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.

Key Redis features:

Performance Data Structures Scalability Persistence

Open Source

Swarm City is a decentralized commerce platform.

Dragonfly - Scalable in-memory datastore made simple.

Open Source

Aerospike is a high-performing NoSQL database supporting high transaction volumes with low latency.

Key Aerospike features:

High Performance Scalability ACID Compliance Hybrid Storage

Open Source

Kx Systems has a high-performance vector database, kdb+, with a built-in programming language, q, that sets the standard for time-series analytics.

Bluzelle is a decentralized database powered by PBFT Consensus Engine.

Key Bluzelle Decentralized DB features:

Decentralization Scalability Reliability Security

Open Source

Clustering and highly scalable data distribution platform for Java.

Key Hazelcast features:

Scalability In-Memory Data Grid High Availability Ease of Use

High-performance, distributed memory object caching system.

Key memcached features:

High Performance Scalability Simplicity Open Source

Open Source

SAP HANA is an in-memory, column-oriented, relational database management system.

Key SAP HANA features:

High Performance Real-Time Analytics Scalability Advanced Data Processing

Database for real-time transactions and analytics.

Key MemSQL features:

Performance Scalability SQL Compatibility Operational Simplicity

KeyDB is fast NoSQL database with full compatibility for Redis APIs, clients, and modules.

Key KeyDB features:

High Performance Redis Compatibility Active Replication Built-in TLS

XAP is real-time transaction processing platform.

clientDB is an open source in-memory database for enabling real-time web apps.

Open Source