+91 stars
from 1,237 · score 4.52
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
301–400 of 1,226 by Attention Score · May 7, 2026 – Nov 2, 2026 (UTC)
302.bucket4j / bucket4j
Java rate limiting library based on token-bucket algorithm.
+90 stars
from 2,729 · score 4.51
303.paohaijiao / jquick-pdf
JQuick-Pdf is an enterprise-grade Java PDF generation framework. It provides HTML-like declarative syntax and supports more than 30 kinds of graphs, greatly simplifying complex PDF report creation while retaining full native pdfbox(since version 4.0.0) APIs.
+89 stars
from 149 · score 4.50
304.bytedeco / javacv
Java interface to OpenCV, FFmpeg, and more
+87 stars
from 8,267 · score 4.48
305.haifengl / smile
Statistical Machine Intelligence & Learning Engine
+87 stars
from 6,341 · score 4.48
306.Netflix / eureka
AWS Service registry for resilient mid-tier load balancing and failover.
+86 stars
from 12,665 · score 4.47
307.winder / Universal-G-Code-Sender
A cross-platform G-Code sender for GRBL, Smoothieware, TinyG and G2core.
+86 stars
from 2,195 · score 4.47
308.bsommerfeld / pathetic
The Java pathfinder that ended the era of “good enough”
+85 stars
from 310 · score 4.45
309.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。
+84 stars
from 16,471 · score 4.44
310.ityouknow / spring-boot-examples
about learning Spring Boot via examples. Spring Boot 教程、技术栈示例代码，快速简单上手教程。
+83 stars
from 30,350 · score 4.43
311.amitshekhariitbhu / Android-Debug-Database
A library for debugging android databases and shared preferences - Make Debugging Great Again
+81 stars
from 8,622 · score 4.41
312.googleapis / google-cloud-java
Google Cloud Client Library for Java
+81 stars
from 2,025 · score 4.41
313.projectnessie / nessie
Nessie: Transactional Catalog for Data Lakes with Git-like semantics
+81 stars
from 1,445 · score 4.41
314.hstsethi / awesome-j2me
Awesome list about everything related to J2ME. Documentation, academic papers, tutorials, communities, IDEs, SDKs, emulators, apps, video games.
+81 stars
from 352 · score 4.41
315.DemchaAV / GraphCompose
Declarative Java engine for structured documents. Automatic layout, pagination, reusable templates and themes. Render print-ready PDF, export editable PowerPoint, or generate semantic DOCX.
+81 stars
from 38 · score 4.41
316.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。
+80 stars
from 18,856 · score 4.39
317.commonmark / commonmark-java
Java library for parsing and rendering CommonMark (Markdown)
+79 stars
from 2,622 · score 4.38
318.Meituan-Dianping / Leaf
Distributed ID Generate Service
+78 stars
from 6,684 · score 4.37
+78 stars
from 6,680 · score 4.37
320.Wisser / Jailer
Database Subsetting and Relational Data Browsing Tool.
+77 stars
from 3,139 · score 4.36
+76 stars
from 8,856 · score 4.34
322.google / tsunami-security-scanner
Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.
+76 stars
from 8,541 · score 4.34
323.JCTools / JCTools
No description provided by the repository host.
+76 stars
from 3,808 · score 4.34
324.nordicsemi / Android-BLE-Library
A library that makes working with Bluetooth LE on Android a pleasure. Seriously.
+75 stars
from 2,351 · score 4.33
325.TASEmulators / freej2me-plus
A free J2ME emulator with libretro, awt and sdl2 frontends.
+75 stars
from 146 · score 4.33
+73 stars
from 17,618 · score 4.30
327.Netflix / conductorArchived
Conductor is a microservices orchestration engine.
+73 stars
from 12,679 · score 4.30
328.Vedenin / useful-java-links
A list of useful Java frameworks, libraries, software and hello worlds examples
+73 stars
from 6,136 · score 4.30
329.JSQLParser / JSqlParser
JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern
+73 stars
from 5,897 · score 4.30
330.spring-cloud / spring-cloud-gateway
An API Gateway built on Spring Framework and Spring Boot providing routing and more.
+73 stars
from 4,847 · score 4.30
+72 stars
from 2,562 · score 4.29
332.jjazzboss / JJazzLab
A complete and open application for automatic backing tracks generation.
+72 stars
from 536 · score 4.29
333.line / armeria
Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.
+71 stars
from 5,079 · score 4.28
+70 stars
from 11,289 · score 4.26
335.MovingBlocks / Terasology
Terasology - open source voxel world
+70 stars
from 3,832 · score 4.26
336.datafaker-net / datafaker
Generating fake data for the JVM (Java, Kotlin, Groovy) has never been easier!
+70 stars
from 1,737 · score 4.26
337.wso2 / product-apim
Welcome to the WSO2 API Manager source code! For info on working with the WSO2 API Manager repository and contributing code, click the link below.
+70 stars
from 972 · score 4.26
338.opengoofy / hippo4j
📌 异步线程池框架，支持线程池动态变更&监控&报警，无需修改代码轻松引入。Asynchronous thread pool framework, support Thread Pool Dynamic Change & monitoring & Alarm, no need to modify the code easily introduced.
+67 stars
from 5,935 · score 4.22
339.jline / jline3
JLine is a Java library for handling console input.
+67 stars
from 1,744 · score 4.22
340.payatu / diva-android
DIVA Android - Damn Insecure and vulnerable App for Android
+67 stars
from 1,095 · score 4.22
341.membrane / api-gateway
API Gateway bridging modern and legacy APIs with WSDL-to-OpenAPI, SOAP-to-REST, XML, OAuth2, and GraphQL.
+67 stars
from 589 · score 4.22
342.springdoc / springdoc-openapi
Library for OpenAPI 3 with spring-boot
+66 stars
from 3,677 · score 4.20
343.methusalah / OpenRTS
Real-Time Strategy game 3D engine coded in pure java
+66 stars
from 1,473 · score 4.20
344.OpenFeign / feign
Feign makes writing java http clients easier
+65 stars
from 9,736 · score 4.19
345.GerritCodeReview / gerrit
Gerrit Code Review - (mirror of https://gerrit.googlesource.com/gerrit)
+65 stars
from 1,172 · score 4.19
346.hollischuang / toBeTopJavaer
To Be Top Javaer - Java工程师成神之路
+64 stars
from 25,222 · score 4.17
347.coobird / thumbnailator
Thumbnailator - a thumbnail generation library for Java
+64 stars
from 5,365 · score 4.17
348.SpongePowered / Mixin
Mixin is a trait/mixin and bytecode weaving framework for Java using ASM
+64 stars
from 1,671 · score 4.17
349.nextgenhealthcare / connect
The swiss army knife of healthcare integration.
+64 stars
from 1,153 · score 4.17
350.rest-assured / rest-assured
Java DSL for easy testing of REST services
+63 stars
from 7,083 · score 4.16
351.VazkiiMods / Botania
A tech mod for Minecraft themed around the magic of nature and plant life.
+63 stars
from 1,418 · score 4.16
352.igniterealtime / Openfire
An XMPP server licensed under the Open Source Apache License.
+62 stars
from 3,012 · score 4.14
353.gravitee-io / gravitee-api-management
Gravitee.io - OpenSource API Management
+62 stars
from 404 · score 4.14
354.apache / avro
Apache Avro is a data serialization system.
+61 stars
from 3,248 · score 4.13
355.winterbe / java8-tutorial
Modern Java - A Guide to Java 8
+60 stars
from 16,649 · score 4.11
356.xonotic / xonotic
Mirror of https://gitlab.com/xonotic/xonotic - Xonotic (superproject containing build scripts and tools to download other repositories and assets)
+60 stars
from 489 · score 4.11
357.TEAMMATES / teammates
TEAMMATES is a feedback management tool for education
+59 stars
from 1,801 · score 4.09
358.openhab / openhab-core
Core framework of openHAB
+59 stars
from 1,100 · score 4.09
359.chitralabs / sheetz
Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.
+59 stars
from 7 · score 4.09
360.google / guice
Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.
+58 stars
from 12,671 · score 4.08
361.code4craft / webmagic
A scalable web crawler framework for Java.
+58 stars
from 11,612 · score 4.08
+58 stars
from 2,169 · score 4.08
363.alfio-event / alf.io
alf.io - The open source ticket reservation system for conferences, trade shows, workshops, meetups
+58 stars
from 1,569 · score 4.08
364.ongres / stackgres
StackGres Operator, Full Stack PostgreSQL on Kubernetes // !! Mirror repository of https://gitlab.com/ongresinc/stackgres, only accept Merge Requests there.
+58 stars
from 1,386 · score 4.08
365.imagej / imagej2
Open scientific N-dimensional image processing :microscope: :sparkler:
+58 stars
from 1,359 · score 4.08
366.apache / artemis
Apache Artemis
+58 stars
from 1,013 · score 4.08
367.gyf-dev / ImmersionBar
android 4.4以上沉浸式状态栏和沉浸式导航栏管理，适配横竖屏切换、刘海屏、软键盘弹出等问题，可以修改状态栏字体颜色和导航栏图标颜色，以及不可修改字体颜色手机的适配，适用于Activity、Fragment、DialogFragment、Dialog，PopupWindow，一句代码轻松实现，以及对bar的其他设置，详见README。简书请参考：http://www.jianshu.com/p/2a884e211a62
+57 stars
from 11,430 · score 4.06
368.careercup / CtCI-6th-Edition
Cracking the Coding Interview 6th Ed. Solutions
+57 stars
from 11,399 · score 4.06
369.daniulive / SmarterStreaming
业内为数不多致力于极致体验的超强全自研跨平台(windows/linux/android/iOS)流媒体内核，通过模块化自由组合，支持实时RTMP推流、RTSP推流、RTMP播放器、RTSP播放器、录像、多路流媒体转发、音视频导播、动态视频合成、音频混音、直播互动、内置轻量级RTSP服务等，比快更快，业界真正靠谱的超低延迟直播SDK(延迟低至100~200ms)。
+57 stars
from 11,112 · score 4.06
370.forezp / SpringCloudLearning
《史上最简单的Spring Cloud教程源码》
+56 stars
from 17,834 · score 4.04
371.aosp-mirror / platform_frameworks_baseArchived
No description provided by the repository host.
+56 stars
from 10,765 · score 4.04
372.NanoHttpd / nanohttpd
Tiny, easily embeddable HTTP server in Java.
+56 stars
from 7,181 · score 4.04
+56 stars
from 5,183 · score 4.04
374.classgraph / classgraph
An uber-fast parallelized Java classpath scanner and module scanner.
+56 stars
from 2,966 · score 4.04
375.dineshshetty / Android-InsecureBankv2
Vulnerable Android application for developers and security enthusiasts to learn about Android insecurities
+56 stars
from 1,432 · score 4.04
+56 stars
from 1,172 · score 4.04
377.mguessan / davmail
DavMail POP/IMAP/SMTP/CalDAV/CardDAV/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at
+56 stars
from 718 · score 4.04
378.greenrobot / EventBus
Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.
+55 stars
from 24,626 · score 4.03
379.orientechnologies / orientdb
OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.
+55 stars
from 4,941 · score 4.03
380.CalebFenton / simplify
Android virtual machine and deobfuscator
+55 stars
from 4,621 · score 4.03
381.sqlancer / sqlancer
Automated testing to find logic and performance bugs in database systems
+55 stars
from 1,715 · score 4.03
382.fabric8io / kubernetes-client
Java client for Kubernetes & OpenShift
+54 stars
from 3,631 · score 4.01
383.xmolecules / jmolecules
Libraries to help developers express architectural abstractions in Java code
+54 stars
from 1,516 · score 4.01
384.imagej / ImageJ
Public domain software for processing and analyzing scientific images
+54 stars
from 742 · score 4.01
385.Tencent / QMUI_Android
提高 Android UI 开发效率的 UI 库
+53 stars
from 14,430 · score 3.99
386.knowm / XChange
XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
+53 stars
from 4,044 · score 3.99
387.eclipse-collections / eclipse-collections
Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
+53 stars
from 2,611 · score 3.99
388.thingsboard / tbmq
The ultimate distributed MQTT broker. Handles 100M+ connections and 10M msg/sec with ease. Built on Kafka to provide industrial-grade persistence and eliminate data loss.
+53 stars
from 722 · score 3.99
389.scwang90 / SmartRefreshLayout
🔥下拉刷新、上拉加载、二级刷新、淘宝二楼、RefreshLayout、OverScroll，Android智能下拉刷新框架，支持越界回弹、越界拖动，具有极强的扩展性，集成了几十种炫酷的Header和 Footer。
+52 stars
from 25,044 · score 3.97
+52 stars
from 12,268 · score 3.97
391.eclipse-openj9 / openj9
Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
+51 stars
from 3,496 · score 3.95
392.HotswapProjects / HotswapAgent
Java unlimited redefinition of classes at runtime.
+51 stars
from 2,573 · score 3.95
393.hex007 / freej2me
A free J2ME emulator with libretro, awt and sdl2 frontends.
+51 stars
from 635 · score 3.95
394.kroxylicious / kroxylicious
Kroxylicious, the snappy open source proxy for Apache Kafka®
+51 stars
from 281 · score 3.95
395.JessYanCoding / AndroidAutoSize
🔥 A low-cost Android screen adaptation solution (今日头条屏幕适配方案终极版，一个极低成本的 Android 屏幕适配方案).
+50 stars
from 13,672 · score 3.93
396.apache / ignite
Apache Ignite
+50 stars
from 5,041 · score 3.93
397.prometheus / jmx_exporter
A process for collecting metrics using JMX MBeans for Prometheus consumption
+50 stars
from 3,284 · score 3.93
398.manifold-systems / manifold
Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.
+50 stars
from 2,715 · score 3.93
399.INRIA / spoon
Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.
+50 stars
from 1,913 · score 3.93
400.mapsforge / mapsforge
Vector map library and writer - running on Android and Desktop.
+50 stars
from 1,369 · score 3.93