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Top Java Libraries 2025

GitHub Libraries → Java
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spring-projects/spring-boot 77K +127

added 3 months ago

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Java Full-stack Frameworks Microservices Frameworks

elastic/elasticsearch 72K +142

added 2 months ago

Free and Open Source, Distributed, RESTful Search Engine

Java Search Libraries

stirling-tools/stirling-pdf 58K +1219

added 2 months ago

Locally hosted web application that allows you to perform various operations on PDF files

Java PDF Libraries

nationalsecurityagency/ghidra 56K +290

added 2 months ago

Ghidra is a software reverse engineering framework created and maintained by the National Security Agency Research Directorate.

Java Reverse Engineering Tools

google/guava 50K +28

added 3 months ago

A set of core Java libraries from Google. It is widely used on most Java projects within Google, and widely used by many other companies as well.

Java Utilities

reactivex/rxjava 48K +12

added 2 months ago

Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Java Reactive Libraries

square/retrofit 43K +28

added 3 months ago

A type-safe HTTP client for Android and the JVM.

Java HTTP Clients

apache/spark 41K +64

added 2 months ago

Apache Spark - A unified analytics engine for large-scale data processing.

Java AI / ML Libraries BigData Libraries Data Platforms DataFrame Libraries

apache/dubbo 40K +31

added 2 months ago

The java implementation of Apache Dubbo. An RPC and microservice framework.

Java Microservices Frameworks RPC Libraries

alibaba/arthas 36K +39

added 2 months ago

Arthas is a Java Diagnostic tool open sourced by Alibaba. Arthas allows developers to troubleshoot production issues for Java applications without modifying code or restarting servers.

Java Profiling Tools Observability Tools

netty/netty 34K +27

added 2 months ago

Netty project - an event-driven asynchronous network application framework

Java Networking Libraries

alibaba/easyexcel 33K +28

added 3 months ago

Fast, concise, Java Excel processing tool to solve memory overflow of large files.

Java Word / Excel Libraries

zxing/zxing 33K +35

added 2 months ago

ZXing ("Zebra Crossing") barcode scanning library for Java, Android.

Android Barcode Libraries Java Barcode Libraries

seleniumhq/selenium 32K +89

added 2 months ago

A browser automation framework and ecosystem.

Java Testing Libraries Web Scrapers Web Automation Libraries

alibaba/nacos 31K +73

added 2 months ago

An easy-to-use dynamic service discovery, configuration and service management platform for building cloud native applications.

Java Configuration Libraries

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