Apache Geode

7.1easy start · #4 of 25
in In-Memory Databases

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you worknot on record

Runs on api, Linux, self-hosted, Windows.

Apache Geode is ranked #4 of 25 in in-memory databases on The Geeks Club. It runs on API, Linux, Self-hosted, Windows. There is a free plan.

Apache Geode plans and pricing

All plans

Apache Geode Free Available as binary and source distributions under the Apache License geode.apache.org · 3 Oct 2026

Compared on in-memory databases

Free plan: Yes
Deployment: self-hosted
Data persistence: Yes
High availability: Yes
SQL support: No
Supported data models: key-value regions; replicated regions; partitioned regions; local regions; distributed regions

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The record

Purpose: Apache Geode is a data management platform that provides real-time, consistent access to data-intensive applications across widely distributed cloud architectures.
Architecture: Geode uses data replication, partitioning, and distributed processing to support low-latency, high-concurrency applications.
Storage: Geode provides in-memory storage with optional off-heap storage, compression, disk overflow, eviction, and expiration.
Persistence: Geode describes its write-ahead-log persistence as optimized for fast parallel recovery of nodes or an entire cluster.
Transactions and queries: Geode supports distributed ACID transactions and OQL queries with SQL-like capabilities, including joins.
Events: Clients can subscribe to server-side data events, and servers can react synchronously or asynchronously with ordered event delivery.
WAN replication: Geode supports replicating clusters across a WAN in topologies including active-active, active-passive, ring, hub-spoke, and star.
Clients and API: The project lists Java, C++, and C# .NET Framework clients and a REST API for other languages.
Integration: Geode documentation describes a Spring Boot client for connecting applications to a Geode cluster.
Security: Geode supports authentication, authorization, role-based access control, and SSL communication, but these measures are absent from the default installation.
Support: The project's hosted support options are its user mailing list and issue tracker, with release support provided by project volunteers.
Release verification: The releases page provides checksum and PGP signature verification instructions for downloads.
Intended users: The project describes its technology as used by enterprise customers for high-scale business applications requiring low latency and 24x7 availability.
Founded: 2015
Price from: Free

Where it ranks on The Geeks Club

Best In-Memory Databases in 2026#4 of 25

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Sources

geode.apache.org· checked 3 Oct 2026
geode.apache.org/docs/guide/115/getting_started/intro_to· checked 3 Oct 2026
geode.apache.org/docs/guide/115/security/security_model.· checked 3 Oct 2026
geode.apache.org/releases/· checked 3 Oct 2026