Top Java Libraries 2025

GitHub Libraries → Java

spring-projects/spring-boot 76K +124

Added by sizovs added 1 month 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 71K +187

Added by sizovs added 2 weeks ago

Free and Open Source, Distributed, RESTful Search Engine

Java Search Libraries

nationalsecurityagency/ghidra 55K +101

Added by sizovs added 5 days ago

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

Java Reverse Engineering Tools

stirling-tools/stirling-pdf 53K +1040

Added by sizovs added 1 week ago

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

Java PDF Libraries

google/guava 50K +18

Added by sizovs added 1 month 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 +1

Added by sizovs added 1 week 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 +33

Added by sizovs added 1 month ago

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

Java HTTP Clients

apache/dubbo 40K +12

Added by sizovs added 5 days ago

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

Java Microservices Frameworks RPC Libraries

apache/spark 40K +87

Added by sizovs added 2 weeks ago

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

Java AI / ML Libraries BigData Libraries Data Platforms DataFrame Libraries

alibaba/arthas 36K +21

Added by sizovs added 1 week 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 33K +36

Added by sizovs added 2 weeks ago

Netty project - an event-driven asynchronous network application framework

Java Networking Libraries

alibaba/easyexcel 33K +52

Added by sizovs added 1 month ago

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

Java Word / Excel Libraries

zxing/zxing 33K +40

Added by sizovs added 1 week ago

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

Android Barcode Libraries Java Barcode Libraries

seleniumhq/selenium 31K +98

Added by sizovs added 2 weeks ago

A browser automation framework and ecosystem.

Java Testing Libraries Web Scrapers Web Automation Libraries

binarywang/wxjava 30K +41

Added by sizovs added 1 week ago

WeChat development Java SDK, supporting backend development including WeChat payment, open platform, mini program, enterprise WeChat, video account, official account, etc.

Java WeChat Libraries

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