Caffeine

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Two barsScore 6.3

Caffeine is ranked #7 of 26 in caching software on Freedom251. There is a free plan.

Caffeine plans and pricing

Caffeine Free Open-source Java caching library · Apache-2.0 license github.com · 4 Oct 2026

Product: Caffeine is a high-performance, near-optimal in-memory caching library for Java.
Loading: Caches can load entries automatically, optionally asynchronously.
Eviction and expiration: Caffeine supports size-based eviction using frequency and recency, plus time-based expiration measured since last access or write.
Refresh: Caffeine can asynchronously refresh an entry when the first stale request occurs.
Other cache features: The library supports weak keys, weak or soft values, removal notifications, writes to external resources, and cache statistics.
Extensions: The project offers JSR-107 JCache, Guava adapters, and a simulation extension.
Integrations: The README lists community integrations including Spring Cache, Play Framework, Micronaut, Quarkus, and Apache Camel.
Download: The project directs users to Maven Central and provides Gradle dependency coordinates for the library and optional Guava and JCache extensions.
Java version: The project says to use version 3.x with Java 11 or above and version 2.x otherwise.
License: The repository provides the software under the Apache License, Version 2.0.
Security reporting: Security issues can be reported privately through GitHub's vulnerability reporting mechanism.
Artifact validation: The security policy says Maven Central artifacts are accompanied by GPG .asc and Sigstore .sigstore.json files.
Price from: Free

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