201.apache / druid
Apache Druid: a high performance real-time analytics database.
+73 stars
from 14,020 · score 4.30
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
201–300 of 1,311 by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
+73 stars
from 10,911 · score 4.30
203.Athou / commafeed
Google Reader inspired self-hosted personal RSS reader.
+73 stars
from 3,567 · score 4.30
204.standard-webhooks / standard-webhooks
The Standard Webhooks specification
+73 stars
from 1,713 · score 4.30
205.alibaba / Sentinel
A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)
+72 stars
from 23,078 · score 4.29
206.palantir / palantir-java-format
A modern, lambda-friendly, 120 character Java formatter.
+72 stars
from 850 · score 4.29
207.konsoletyper / teavm
Compiles Java bytecode to JavaScript, WebAssembly and C
+71 stars
from 3,072 · score 4.28
208.codenameone / CodenameOne
Open-source framework for native apps from one Java codebase, with a custom-rendered UI you control across iOS, Android, desktop, web, and watches.
+71 stars
from 1,851 · score 4.28
209.mybatis / mybatis-3
MyBatis SQL mapper framework for Java
+70 stars
from 20,367 · score 4.26
210.opentripplanner / OpenTripPlanner
An open source multi-modal trip planner
+70 stars
from 2,697 · score 4.26
+69 stars
from 37,238 · score 4.25
212.doocs / source-code-hunter
😱 从源码层面，剖析挖掘互联网行业主流技术的底层实现原理，为广大开发者 “提升技术深度” 提供便利。目前开放 Spring 全家桶，Mybatis、Netty、Dubbo 框架，及 Redis、Tomcat 中间件等
+67 stars
from 23,063 · score 4.22
213.Team-xManager / xManagerArchived
Ad-Free, New Features & Freedom
+67 stars
from 12,058 · score 4.22
214.google / google-java-format
Reformats Java source code to comply with Google Java Style.
+67 stars
from 6,151 · score 4.22
215.ddd-by-examples / library
A comprehensive Domain-Driven Design example with problem space strategic analysis and various tactical patterns.
+67 stars
from 5,819 · score 4.22
216.apache / hugegraph
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)
+67 stars
from 3,129 · score 4.22
217.AppliedEnergistics / Applied-Energistics-2
A Minecraft Mod about Matter, Energy and using them to conquer the world..
+66 stars
from 1,759 · score 4.20
218.spinnaker / spinnaker
Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.
+65 stars
from 9,751 · score 4.19
219.EngineHub / WorldEdit
🗺️ Minecraft map editor and mod
+65 stars
from 3,473 · score 4.19
220.wuyouzhuguli / SpringAll
循序渐进，学习Spring Boot、Spring Boot & Shiro、Spring Batch、Spring Cloud、Spring Cloud Alibaba、Spring Security & Spring Security OAuth2，博客Spring系列源码：https://mrbird.cc
+64 stars
from 28,861 · score 4.17
221.jOOQ / jOOQ
jOOQ is the best way to write SQL in Java
+64 stars
from 6,740 · score 4.17
222.watabou / pixel-dungeon
Traditional roguelike game with pixel-art graphics and simple interface
+64 stars
from 3,930 · score 4.17
223.Apicurio / apicurio-registry
An API/Schema registry - stores APIs and Schemas.
+64 stars
from 884 · score 4.17
224.Cap-go / capacitor-updater
Capacitor plugin for Instant updates: Ship updates, fixes, changes, and features within minutes
+64 stars
from 817 · score 4.17
+64 stars
from 430 · score 4.17
226.apache / incubator-kie
Apache KIE (Knowledge Is Everything) is the home of Drools, OptaPlanner, jBPM, and Kogito.
+63 stars
from 6,277 · score 4.16
227.tronprotocol / java-tron
Java implementation of the Tron whitepaper
+63 stars
from 4,116 · score 4.16
228.pxb1988 / dex2jar
Tools to work with android .dex and java .class files
+62 stars
from 13,097 · score 4.14
229.google / error-prone
Catch common Java mistakes as compile-time errors
+62 stars
from 7,204 · score 4.14
230.Tencent / matrix
Matrix is a plugin style, non-invasive APM system developed by WeChat.
+61 stars
from 12,009 · score 4.13
231.jhy / jsoup
jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.
+60 stars
from 11,353 · score 4.11
232.ssssssss-team / spider-flow
新一代爬虫平台，以图形化方式定义爬虫流程，不写代码即可完成爬虫。
+60 stars
from 11,304 · score 4.11
233.remkop / picocli
Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps can include as source & avoid adding a dependency. Written in Java, usable from Groovy, Kotlin, Scala, etc.
+60 stars
from 5,397 · score 4.11
234.RoaringBitmap / RoaringBitmap
A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others
+60 stars
from 3,895 · score 4.11
235.hapifhir / hapi-fhir
🔥 HAPI FHIR - Java API for HL7 FHIR Clients and Servers
+59 stars
from 2,365 · score 4.09
236.jwtk / jjwt
Java JWT: JSON Web Token for Java and Android
+58 stars
from 11,081 · score 4.08
237.LibrePDF / OpenPDF
OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.
+58 stars
from 4,327 · score 4.08
238.bumptech / glide
An image loading and caching library for Android focused on smooth scrolling
+57 stars
from 34,951 · score 4.06
239.apache / sedona
A cluster computing framework for processing large-scale geospatial data
+57 stars
from 2,369 · score 4.06
240.MarquezProject / marquez
Collect, aggregate, and visualize a data ecosystem's metadata
+57 stars
from 2,244 · score 4.06
241.Netflix / zuul
Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more.
+56 stars
from 14,041 · score 4.04
242.sqshq / piggymetrics
Microservice Architecture with Spring Boot, Spring Cloud and Docker
+56 stars
from 13,912 · score 4.04
243.awsdocs / aws-doc-sdk-examples
Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.
+56 stars
from 10,413 · score 4.04
244.s4kibs4mi / java-developer-roadmap
Roadmap to becoming a Java developer in 2026
+56 stars
from 4,499 · score 4.04
245.didi / DoKit
一款面向泛前端产品研发全生命周期的效率平台。
+55 stars
from 20,360 · score 4.03
246.Tencent / tinker
Tinker is a hot-fix solution library for Android, it supports dex, library and resources update without reinstall apk.
+55 stars
from 17,602 · score 4.03
247.seaswalker / spring-analysis
Spring源码阅读
+55 stars
from 13,704 · score 4.03
248.javaparser / javaparser
Java 1-25 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.
+55 stars
from 6,117 · score 4.03
249.uber / NullAway
A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead
+55 stars
from 4,072 · score 4.03
250.deeplearning4j / deeplearning4j
Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running math code and a java based math library on top of the core c++ library. Also includes samediff: a pytorch/tensorflow like library for running deep learn...
+54 stars
from 14,219 · score 4.01
251.frank-lam / fullstack-tutorial
🚀 fullstack tutorial 2022，后台技术栈/架构师之路/全栈开发社区，春招/秋招/校招/面试
+54 stars
from 11,642 · score 4.01
252.apereo / cas
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
+54 stars
from 11,338 · score 4.01
253.ta4j / ta4j
A Java library for technical analysis.
+54 stars
from 2,470 · score 4.01
254.ViaVersion / ViaVersion
Allows of newer clients to connect to older server versions for Minecraft servers.
+54 stars
from 1,599 · score 4.01
255.terrakube-io / terrakube
Open source IaC Automation and Collaboration Software.
+54 stars
from 931 · score 4.01
256.google / ExoPlayer
This project is deprecated and stale. The latest ExoPlayer code is available in https://github.com/androidx/media
+53 stars
from 21,883 · score 3.99
257.infinilabs / analysis-ik
🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.
+53 stars
from 17,463 · score 3.99
258.pentaho / pentaho-kettle
Pentaho Data Integration ( ETL ) a.k.a Kettle
+53 stars
from 8,358 · score 3.99
259.spotbugs / spotbugs
SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
+53 stars
from 3,912 · score 3.99
260.apache / ofbiz-framework
Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.
+53 stars
from 1,095 · score 3.99
261.woheller69 / whisperIME
Android Input Method Editor (IME) based on Whisper
+52 stars
from 603 · score 3.97
262.APIJSON / APIJSON
🏆 Real-Time no-code, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and Frontend(Client) can customize response JSONs 🏆 实时 零代码、全功能、强安全 ORM 库 🚀 后端接口和文档零代码，前端(客户端) 定制返回 JSON 的数据和结构
+51 stars
from 18,341 · score 3.95
263.pinpoint-apm / pinpoint
APM, (Application Performance Management) tool for large-scale distributed systems.
+51 stars
from 13,820 · score 3.95
+51 stars
from 12,320 · score 3.95
265.amitshekhariitbhu / android-interview-questions
Your Cheat Sheet For Android Interview - Android Interview Questions and Answers
+51 stars
from 12,317 · score 3.95
266.PlayPro / CoreProtect
CoreProtect is a blazing fast data logging and anti-griefing tool for Minecraft servers.
+51 stars
from 955 · score 3.95
267.GoogleContainerTools / jib
🏗 Build container images for your Java applications.
+50 stars
from 14,402 · score 3.93
268.JanusGraph / janusgraph
JanusGraph: an open-source, distributed graph database
+50 stars
from 5,812 · score 3.93
269.apache / solr
Apache Solr open-source search software
+50 stars
from 1,643 · score 3.93
270.Blankj / AndroidUtilCode
:fire: Android developers should collect the following utils(updating).
+49 stars
from 33,563 · score 3.91
271.Netflix / Hystrix
Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex distributed systems where failure is inevitable.
+49 stars
from 24,432 · score 3.91
272.openzipkin / zipkin
Zipkin is a distributed tracing system
+49 stars
from 17,426 · score 3.91
273.mockito / mockito
Most popular Mocking framework for unit tests written in Java
+49 stars
from 15,403 · score 3.91
274.zhisheng17 / flink-learning
flink learning blog. http://www.54tianzhisheng.cn/ 含 Flink 入门、概念、原理、实战、性能调优、源码解析等内容。涉及 Flink Connector、Metrics、Library、DataStream API、Table API & SQL 等内容的学习案例，还有 Flink 落地应用的大型项目案例（PVUV、日志存储、百亿数据实时去重、监控告警）分享。欢迎大家支持我的专栏《大数据实时计算引擎 Flink 实战与性能优化》
+49 stars
from 15,051 · score 3.91
275.mastodon / mastodon-android
Official Android app for Mastodon
+49 stars
from 2,015 · score 3.91
276.microsoft / playwright-java
Java version of the Playwright testing and automation library
+49 stars
from 1,517 · score 3.91
+49 stars
from 255 · score 3.91
278.amitshekhariitbhu / Android-Debug-Database
A library for debugging android databases and shared preferences - Make Debugging Great Again
+48 stars
from 8,655 · score 3.89
279.aeron-io / simple-binary-encoding
Simple Binary Encoding (SBE) - High Performance Message Codec
+48 stars
from 3,475 · score 3.89
280.bucket4j / bucket4j
Java rate limiting library based on token-bucket algorithm.
+48 stars
from 2,771 · score 3.89
281.codecentric / spring-boot-admin
Admin UI for administration of spring boot applications
+47 stars
from 12,806 · score 3.87
282.lukas-krecan / ShedLock
Distributed lock for your scheduled tasks
+47 stars
from 4,188 · score 3.87
283.GIScience / openrouteservice
🌍 The open source route planner api with plenty of features.
+47 stars
from 1,941 · score 3.87
284.mucommander / mucommander
A lightweight, cross-platform file manager with a dual-pane interface
+47 stars
from 1,246 · score 3.87
285.projectlombok / lombok
Very spicy additions to the Java programming language.
+45 stars
from 13,439 · score 3.83
286.hazelcast / hazelcast
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
+45 stars
from 6,582 · score 3.83
287.open-telemetry / opentelemetry-java
OpenTelemetry Java SDK
+45 stars
from 2,433 · score 3.83
288.Activiti / Activiti
Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
+44 stars
from 10,507 · score 3.81
+44 stars
from 9,409 · score 3.81
290.micrometer-metrics / micrometer
An application observability facade for the most popular observability tools. Think SLF4J, but for observability.
+44 stars
from 4,865 · score 3.81
291.bytedeco / javacv
Java interface to OpenCV, FFmpeg, and more
+43 stars
from 8,311 · score 3.78
292.discord-jda / JDA
Java wrapper for the popular chat & VOIP service: Discord https://discord.com
+43 stars
from 4,656 · score 3.78
293.OpenHFT / Chronicle-Queue
Micro second messaging that stores everything to disk
+43 stars
from 3,783 · score 3.78
294.stanfordnlp / CoreNLP
CoreNLP: A Java suite of core NLP tools for tokenization, sentence segmentation, NER, parsing, coreference, sentiment analysis, etc.
+42 stars
from 10,085 · score 3.76
295.winder / Universal-G-Code-Sender
A cross-platform G-Code sender for GRBL, Smoothieware, TinyG and G2core.
+42 stars
from 2,239 · score 3.76
296.TASEmulators / freej2me-plus
A free J2ME emulator with libretro, awt and sdl2 frontends.
+42 stars
from 179 · score 3.76
297.ReactiveX / RxJava
RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
+41 stars
from 48,116 · score 3.74
298.dianping / cat
CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。
+41 stars
from 18,895 · score 3.74
299.JeffLi1993 / springboot-learning-example
spring boot 实践学习案例，是 spring boot 初学者及核心技术巩固的最佳实践。
+41 stars
from 16,514 · score 3.74
300.aeron-io / agrona
High Performance data structures and utility methods for Java
+40 stars
from 3,225 · score 3.71