What is caffeine built with?

Q: Which repos have a stack like caffeine's?

The ones that share most of its stack: openzipkin/zipkin, prestodb/presto, and alibaba/nacos.

caffeine is a Java repo built with org.apache.felix.framework and jakarta.inject:jakarta.inject-api. It stores its data in javax.cache:cache-api, com.hazelcast:hazelcast, and org.ehcache:ehcache, makes its content with jsoup and de.siegmar:fastcsv, is tested with com.google.guava:guava-testlib, hamcrest, junit-vintage-engine, pax-exam-container-native, pax-exam-junit4, and 8 more, deploys with jcl-over-slf4j, jul-to-slf4j, log4j-core, and slf4j-nop, and uses caffeine and H2 Database. It has 190,783 written lines, with 255 test files.

Read on November 6, 2026, at commit 10646b0. Read it as markdown

Frontend

Interface 1

org.jfree:jfreechart1 file

Backend

Data 5

H2 Database
javax.cache:cache-api23 files
com.hazelcast:hazelcast2 files
org.ehcache:ehcache2 files
caffeine

Support

The base 2

jakarta.inject:jakarta.inject-api1 file
org.apache.felix.framework

Content 2

de.siegmar:fastcsv3 files
jsoup

Testing 13

Google150 files
com.google.guava:guava-testlib
org.junit.jupiter:junit-jupiter147 files
org.mockito:mockito-core39 files
junit:junit36 files
org.junit:junit-bom10 files
org.awaitility:awaitility4 files
org.junit.platform:junit-platform-launcher3 files
hamcrest
junit-vintage-engine
pax-exam-container-native
pax-exam-junit4

1 more

pax-exam-link-mvn

Deploy 4

jcl-over-slf4j
jul-to-slf4j
log4j-core
slf4j-nop

Tools 9

OpenJDK16 files
com.google.errorprone:error_prone_annotations
JetBrains
org.jspecify:jspecify246 files
bcel
ecj
error_prone_core
pax-url-aether
spotbugs-annotations

Other 19

Apache
com.google.guava:guava
org.apache.commons:commons-lang315 files
com.fasterxml.jackson.core:jackson-core3 files
info.picocli:picocli2 files
com.googlecode.concurrentlinkedhashmap:concurrentlinkedhashmap-lru1 file
javax.inject:javax.inject1 file
org.apache.commons:commons-collections41 file
org.apache.commons:commons-compress1 file
org.tukaani:xz1 file
bcpkix-jdk18on
bcprov-jdk18on

7 more

bcutil-jdk18on
httpclient
jackson-bom
okhttp-bom
org.eclipse.jgit
org.osgi.util.promise
zstd-jni

Other repos with a similar stack

Ordered by how much of its stack they share with caffeine, then by stars.

openzipkinzipkin
17.5k
Zipkin is a distributed tracing system
4 of 55 in commonCompare →
prestodbpresto
16.8k
The official home of the Presto distributed SQL query engine for big data
4 of 55 in commonCompare →
alibabanacos
33.5k
an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications.
3 of 55 in commonCompare →
alibabaarthas
37.6k
Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
2 of 55 in common
nettynetty
35.1k
Netty project - an event-driven asynchronous network application framework
2 of 55 in common
redissonredisson
24.4k
Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Extends Valkey and Redis with over 60 objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..
2 of 55 in common

Frequently asked questions

What language is caffeine written in?

caffeine is written in Java, with 190,783 written lines.

What framework does caffeine use?

caffeine is built with org.apache.felix.framework and jakarta.inject:jakarta.inject-api.

What database does caffeine use?

caffeine stores its data in javax.cache:cache-api, com.hazelcast:hazelcast, and org.ehcache:ehcache.

What services does caffeine use?

caffeine uses caffeine and H2 Database.

Does caffeine have tests?

Yes. caffeine has 255 test files and is tested with com.google.guava:guava-testlib, hamcrest, junit-vintage-engine, pax-exam-container-native, pax-exam-junit4, pax-exam-link-mvn, Google, org.junit.jupiter:junit-jupiter, org.mockito:mockito-core, junit:junit, org.junit:junit-bom, org.awaitility:awaitility, and org.junit.platform:junit-platform-launcher.

Which repos have a stack like caffeine's?

The ones that share most of its stack:openzipkin/zipkin prestodb/presto alibaba/nacos