Side by side
cache2k vs Caffeine
Both stand on caching software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPILinux+1
cache2k provides Java applications with in-memory caching, configurable loader behavior and multiple monitoring options. Its lack of persistence and the added JCache overhead are worth considering when choosing how to use it.
Visit cache2k Free plan Self-hosted
Caffeine provides Java applications with configurable in-memory caching, including asynchronous loading and refresh. Check the Java version guidance before choosing between the 3.x and 2.x releases.
Visit CaffeineThe facts
| cache2k | Caffeine | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, API, Linux, Self-hosted | Self-hosted |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | cache2k.org | github.com |
| On caching software | #5 of 27 | #9 of 27 |
cache2k: what it does well
- Pure Java implementation with no external dependencies.
- Supports expiry, refresh and read-through loading.
- Offers configurable loader exception suppression and retries.
- Integrates with Spring Framework and other listed tools.
- Apache-licensed and free.
What to know first
- Does not persist cached data.
- JCache API use adds overhead versus the native API.
- Version 2 requires at least Java 8.
Caffeine: what it does well
- Free and open source under Apache License 2.0
- Supports asynchronous loading and refresh
- Offers size-, frequency- and recency-based eviction
- Includes JCache and Guava adapters
- Provides cache statistics and removal notifications
What to know first
- Version 3.x requires Java 11 or above
- The library is for in-memory caching, not edge caching
Alternatives to cache2k Alternatives to Caffeine The whole list