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Achievement: StarstruckAchievement: Arctic Code Vault ContributorAchievement: Pull Shark

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Stars

17 stars written in Java
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iluwatar / java-design-patterns

Design patterns implemented in Java

Java 93,876 27,363 Updated Mar 20, 2026

elastic / elasticsearch

Free and Open Source, Distributed, RESTful Search Engine

Java 76,526 25,842 Updated Apr 15, 2026

TheAlgorithms / Java

All Algorithms implemented in Java

Java 65,366 21,059 Updated Apr 14, 2026

google / guava

Google core libraries for Java

Java 51,508 11,149 Updated Apr 14, 2026

keycloak / keycloak

Open Source Identity and Access Management For Modern Applications and Services

Java 33,884 8,249 Updated Apr 15, 2026

google / gson

A Java serialization/deserialization library to convert Java Objects into JSON and back

Java 24,246 4,425 Updated Apr 10, 2026

brettwooldridge / HikariCP

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

Java 21,095 3,013 Updated Nov 4, 2025

apache / pulsar

Apache Pulsar - distributed pub-sub messaging system

Java 15,197 3,716 Updated Apr 15, 2026

grpc / grpc-java

The Java gRPC implementation. HTTP/2 based RPC

Java 11,996 3,983 Updated Apr 14, 2026

jwtk / jjwt

Java JWT: JSON Web Token for Java and Android

Java 11,046 1,384 Updated Oct 17, 2025

signalapp / Signal-Server

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

Java 10,490 2,444 Updated Apr 14, 2026

perwendel / spark

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

Java 9,662 1,568 Updated Oct 8, 2023

java-native-access / jna

Java Native Access

Java 8,907 1,682 Updated Apr 13, 2026

rubenlagus / TelegramBots

Java library to create bots using Telegram Bots API

Java 5,441 1,350 Updated Mar 15, 2026

pengrad / java-telegram-bot-api

Telegram Bot API for Java

Java 1,960 384 Updated Apr 4, 2026

lz4 / lz4-java

LZ4 compression for Java

Java 1,176 284 Updated Nov 28, 2025

nitrite / nitrite-java

NoSQL embedded document store for Java

Java 899 95 Updated Apr 13, 2026