[Github Ranking](../README.md) ========== ## Top 100 Stars in Java | Ranking | Project Name | Stars | Forks | Language | Open Issues | Description | Last Commit | | ------- | ------------ | ----- | ----- | -------- | ----------- | ----------- | ----------- | | 1 | [RxJava](https://github.com/ReactiveX/RxJava) | 38480 | 6514 | Java | 30 | RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM. | 2019-04-13T13:14:48Z | | 2 | [spring-boot](https://github.com/spring-projects/spring-boot) | 36580 | 24002 | Java | 428 | Spring Boot | 2019-04-15T03:24:16Z | | 3 | [JavaGuide](https://github.com/Snailclimb/JavaGuide) | 35171 | 10829 | Java | 18 | 【Java学习+面试指南】 一份涵盖大部分Java程序员所需要掌握的核心知识。 | 2019-04-15T02:12:15Z | | 4 | [MPAndroidChart](https://github.com/PhilJay/MPAndroidChart) | 26733 | 6967 | Java | 1431 | A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, dragging and animations. | 2019-04-07T14:37:15Z | | 5 | [glide](https://github.com/bumptech/glide) | 25570 | 4791 | Java | 140 | An image loading and caching library for Android focused on smooth scrolling | 2019-04-02T02:14:37Z | | 6 | [proxyee-down](https://github.com/proxyee-down-org/proxyee-down) | 22983 | 4104 | Java | 196 | http下载工具,基于http代理,支持多连接分块下载 | 2018-11-15T08:08:28Z | | 7 | [Hystrix](https://github.com/Netflix/Hystrix) | 17027 | 3460 | Java | 326 | 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. | 2019-04-08T04:43:24Z | | 8 | [tutorials](https://github.com/eugenp/tutorials) | 13364 | 19469 | Java | 54 | The "REST With Spring" Course: | 2019-04-14T22:40:22Z | | 9 | [apollo](https://github.com/ctripcorp/apollo) | 13050 | 4585 | Java | 186 | Apollo(阿波罗)是携程框架部门研发的分布式配置中心,能够集中化管理应用不同环境、不同集群的配置,配置修改后能够实时推送到应用端,并且具备规范的权限、流程治理等特性,适用于微服务配置管理场景。 | 2019-04-13T05:39:36Z | | 10 | [bazel](https://github.com/bazelbuild/bazel) | 11629 | 1880 | Java | 1777 | a fast, scalable, multi-language and extensible build system | 2019-04-13T19:05:12Z | | 11 | [java8-tutorial](https://github.com/winterbe/java8-tutorial) | 11403 | 2627 | Java | 26 | Modern Java - A Guide to Java 8 | 2019-02-27T03:48:58Z | | 12 | [Signal-Android](https://github.com/signalapp/Signal-Android) | 11321 | 2926 | Java | 391 | A private messenger for Android. | 2019-04-12T22:26:36Z | | 13 | [lottie-react-native](https://github.com/react-native-community/lottie-react-native) | 11070 | 1015 | Java | 65 | Lottie wrapper for React Native. | 2019-04-10T11:17:45Z | | 14 | [stetho](https://github.com/facebook/stetho) | 10953 | 1002 | Java | 38 | Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more. | 2019-04-05T01:16:23Z | | 15 | [androidannotations](https://github.com/androidannotations/androidannotations) | 10736 | 2451 | Java | 45 | Fast Android Development. Easy maintainance. | 2019-03-05T13:46:22Z | | 16 | [deeplearning4j](https://github.com/deeplearning4j/deeplearning4j) | 10624 | 4629 | Java | 772 | Deeplearning4j, ND4J, DataVec and more - deep learning & linear algebra for Java/Scala with GPUs + Spark | 2019-04-15T03:39:55Z | | 17 | [disruptor](https://github.com/LMAX-Exchange/disruptor) | 10159 | 2576 | Java | 5 | High Performance Inter-Thread Messaging Library | 2019-03-29T12:02:28Z | | 18 | [bytecode-viewer](https://github.com/Konloch/bytecode-viewer) | 9999 | 611 | Java | 42 | A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More) | 2019-04-14T03:45:54Z | | 19 | [GSYVideoPlayer](https://github.com/CarGuo/GSYVideoPlayer) | 9558 | 2145 | Java | 14 | 视频播放器(IJKplayer、ExoPlayer、MediaPlayer),HTTPS支持,支持弹幕,支持滤镜、水印、gif截图,片头广告、中间广告,多个同时播放,支持基本的拖动,声音、亮度调节,支持边播边缓存,支持视频本身自带rotation的旋转(90,270之类),重力旋转与手动旋转的同步支持,支持列表播放 ,直接添加控件为封面,列表全屏动画,视频加载速度,列表小窗口支持拖动,动画效果,调整比例,多分辨率切换,支持切换播放器,进度条小窗口预览,列表切换详情页面无缝播放,其他一些小动画效果,rtsp、concat、mpeg。项目解析: | 2019-04-11T12:15:35Z | | 20 | [vert.x](https://github.com/eclipse-vertx/vert.x) | 9512 | 1498 | Java | 188 | Vert.x is a tool-kit for building reactive applications on the JVM | 2019-04-12T15:07:51Z | | 21 | [Matisse](https://github.com/zhihu/Matisse) | 9264 | 1381 | Java | 268 | :fireworks: A well-designed local image and video selector for Android | 2019-04-10T16:19:53Z | | 22 | [Arduino](https://github.com/arduino/Arduino) | 9111 | 6474 | Java | 1097 | open-source electronics prototyping platform | 2019-04-13T05:42:59Z | | 23 | [recyclerview-animators](https://github.com/wasabeef/recyclerview-animators) | 9063 | 1769 | Java | 99 | An Android Animation library which easily add itemanimator to RecyclerView items. | 2018-11-16T07:20:43Z | | 24 | [redisson](https://github.com/redisson/redisson) | 8733 | 2165 | Java | 145 | Redisson - distributed Java objects and services (Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Publish / Subscribe, Bloom filter, Spring Cache, Tomcat, Scheduler, JCache API, Hibernate) on top of Redis server. State of the Art Redis Java client | 2019-04-13T17:14:21Z | | 25 | [graal](https://github.com/oracle/graal) | 8573 | 534 | Java | 312 | GraalVM: Run Programs Faster Anywhere :rocket: | 2019-04-13T23:10:53Z | | 26 | [uCrop](https://github.com/Yalantis/uCrop) | 8524 | 1515 | Java | 65 | Image Cropping Library for Android | 2019-04-12T14:40:12Z | | 27 | [pinpoint](https://github.com/naver/pinpoint) | 8456 | 2612 | Java | 123 | Pinpoint is an open source APM (Application Performance Management) tool for large-scale distributed systems written in Java. | 2019-04-15T02:42:12Z | | 28 | [Fragmentation](https://github.com/YoKeyword/Fragmentation) | 8359 | 1784 | Java | 152 | A powerful library that manage Fragment for Android! | 2018-12-24T10:40:03Z | | 29 | [RxPermissions](https://github.com/tbruyelle/RxPermissions) | 8284 | 1022 | Java | 71 | Android runtime permissions powered by RxJava2 | 2019-01-07T02:33:38Z | | 30 | [FileDownloader](https://github.com/lingochamp/FileDownloader) | 8249 | 1702 | Java | 109 | Multitask、MultiThread(MultiConnection)、Breakpoint-resume、High-concurrency、Simple to use、Single/NotSingle-process | 2019-03-30T04:33:25Z | | 31 | [SpringBoot-Learning](https://github.com/dyc87112/SpringBoot-Learning) | 8051 | 2923 | Java | 20 | Spring Boot基础教程,Spring Boot 2.x版本连载中!!! | 2019-04-10T02:17:25Z | | 32 | [MaterialViewPager](https://github.com/florent37/MaterialViewPager) | 7899 | 1493 | Java | 186 | A Material Design ViewPager easy to use library | 2018-10-12T01:11:20Z | | 33 | [xxl-job](https://github.com/xuxueli/xxl-job) | 7621 | 3191 | Java | 103 | A lightweight distributed task scheduling framework.(分布式任务调度平台XXL-JOB) | 2019-04-12T01:03:31Z | | 34 | [lombok](https://github.com/rzwitserloot/lombok) | 7619 | 1414 | Java | 587 | Very spicy additions to the Java programming language. | 2019-04-14T15:49:28Z | | 35 | [glide-transformations](https://github.com/wasabeef/glide-transformations) | 7611 | 1173 | Java | 27 | An Android transformation library providing a variety of image transformations for Glide. | 2018-12-11T09:18:08Z | | 36 | [dropwizard](https://github.com/dropwizard/dropwizard) | 7135 | 2996 | Java | 86 | A damn simple library for building production-ready RESTful web services. | 2019-04-14T20:12:07Z | | 37 | [atlas](https://github.com/alibaba/atlas) | 6991 | 1316 | Java | 65 | A powerful Android Dynamic Component Framework. | 2019-04-15T02:42:46Z | | 38 | [material-theme-jetbrains](https://github.com/ChrisRM/material-theme-jetbrains) | 6971 | 415 | Java | 14 | JetBrains theme of Material Theme | 2019-04-13T17:53:35Z | | 39 | [UltimateRecyclerView](https://github.com/cymcsg/UltimateRecyclerView) | 6969 | 1477 | Java | 184 | A RecyclerView(advanced and flexible version of ListView in Android) with refreshing,loading more,animation and many other features. | 2019-04-03T08:40:05Z | | 40 | [AndroidAutoSize](https://github.com/JessYanCoding/AndroidAutoSize) | 6657 | 864 | Java | 16 | 🔥 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). | 2019-03-29T03:54:27Z | | 41 | [buck](https://github.com/facebook/buck) | 6574 | 980 | Java | 469 | A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages. | 2019-04-13T08:06:48Z | | 42 | [AndroidAutoLayout](https://github.com/hongyangAndroid/AndroidAutoLayout) | 6573 | 1971 | Java | 132 | [停止维护]Android屏幕适配方案,直接填写设计图上的像素尺寸即可完成适配,最大限度解决适配问题。 | 2018-11-26T13:24:38Z | | 43 | [jib](https://github.com/GoogleContainerTools/jib) | 6440 | 519 | Java | 103 | :sailboat: Build container images for your Java applications. | 2019-04-12T23:04:59Z | | 44 | [metrics](https://github.com/dropwizard/metrics) | 6433 | 1606 | Java | 172 | :chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on. | 2019-04-12T06:25:43Z | | 45 | [DoraemonKit](https://github.com/didi/DoraemonKit) | 6344 | 677 | Java | 16 | 简称 "DoKit" 。一款功能齐全的客户端( iOS 、Android )研发助手,你值得拥有。 | 2019-04-10T01:53:23Z | | 46 | [Sentinel](https://github.com/alibaba/Sentinel) | 6321 | 1650 | Java | 109 | A lightweight powerful flow control component enabling reliability and monitoring for microservices. (轻量级的流量控制、熔断降级 Java 库) | 2019-04-12T10:09:24Z | | 47 | [neo4j](https://github.com/neo4j/neo4j) | 6297 | 1573 | Java | 223 | Graphs for Everyone | 2019-04-11T11:08:59Z | | 48 | [TakePhoto](https://github.com/crazycodeboy/TakePhoto) | 6198 | 1354 | Java | 357 | 一款用于在Android设备上获取照片(拍照或从相册、文件中选择)、裁剪图片、压缩图片的开源工具库 | 2019-01-22T08:53:23Z | | 49 | [LitePal](https://github.com/LitePalFramework/LitePal) | 6121 | 1352 | Java | 32 | An Android library that makes developers use SQLite database extremely easy. | 2018-10-18T08:25:53Z | | 50 | [Mycat-Server](https://github.com/MyCATApache/Mycat-Server) | 6099 | 3191 | Java | 582 | None | 2019-04-13T04:51:50Z | | 51 | [physical-web](https://github.com/google/physical-web) | 6085 | 717 | Java | 91 | The Physical Web: walk up and use anything | 2018-12-05T21:09:11Z | | 52 | [learnxinyminutes-docs](https://github.com/adambard/learnxinyminutes-docs) | 6037 | 2054 | Java | 72 | Code documentation written as code! How novel and totally my idea! | 2019-04-14T06:44:04Z | | 53 | [SmartTabLayout](https://github.com/ogaclejapan/SmartTabLayout) | 6009 | 1206 | Java | 98 | A custom ViewPager title strip which gives continuous feedback to the user when scrolling | 2019-03-09T09:59:11Z | | 54 | [android-gpuimage](https://github.com/cats-oss/android-gpuimage) | 5971 | 1706 | Java | 285 | Android filters based on OpenGL (idea from GPUImage for iOS) | 2019-04-05T10:53:27Z | | 55 | [Android-SpinKit](https://github.com/ybq/Android-SpinKit) | 5964 | 976 | Java | 33 | Android loading animations | 2018-11-17T09:55:21Z | | 56 | [Android-Debug-Database](https://github.com/amitshekhariitbhu/Android-Debug-Database) | 5951 | 627 | Java | 32 | A library for debugging android databases and shared preferences - Make Debugging Great Again | 2019-03-12T08:17:07Z | | 57 | [dex2jar](https://github.com/pxb1988/dex2jar) | 5934 | 1230 | Java | 223 | Tools to work with android .dex and java .class files | 2019-04-04T07:36:10Z | | 58 | [EffectiveAndroidUI](https://github.com/pedrovgs/EffectiveAndroidUI) | 5926 | 1245 | Java | 5 | Sample project created to show some of the best Android practices to work in the Android UI Layer. The UI layer of this project has been implemented using MVP or MVVM (without binding engine) to show how this patterns works. This project is used during the talk "EffectiveAndroidUI". | 2017-06-28T10:54:22Z | | 59 | [ShortcutBadger](https://github.com/leolin310148/ShortcutBadger) | 5804 | 1113 | Java | 145 | An Android library supports badge notification like iOS in Samsung, LG, Sony and HTC launchers. | 2019-03-13T06:04:14Z | | 60 | [SwipeBackLayout](https://github.com/ikew0ng/SwipeBackLayout) | 5672 | 1451 | Java | 108 | An Android library that help you to build app with swipe back gesture. | 2019-01-14T08:32:45Z | | 61 | [springside4](https://github.com/springside/springside4) | 5613 | 3056 | Java | 71 | A Spring Framework based, pragmatic style JavaEE application reference architecture. | 2018-08-07T09:52:00Z | | 62 | [u2020](https://github.com/JakeWharton/u2020) | 5608 | 991 | Java | 14 | A sample Android app which showcases advanced usage of Dagger among other open source libraries. | 2017-11-27T19:22:33Z | | 63 | [antlr4](https://github.com/antlr/antlr4) | 5466 | 1447 | Java | 431 | ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files. | 2019-04-09T06:25:31Z | | 64 | [NumberProgressBar](https://github.com/daimajia/NumberProgressBar) | 5439 | 1361 | Java | 24 | A beautiful, slim Android ProgressBar. | 2018-06-13T22:39:35Z | | 65 | [xUtils3](https://github.com/wyouflf/xUtils3) | 5325 | 1937 | Java | 450 | android orm, bitmap, http, view inject... | 2019-03-18T14:57:31Z | | 66 | [AndPermission](https://github.com/yanzhenjie/AndPermission) | 5254 | 895 | Java | 48 | :strawberry: Permissions manager for Android platform. | 2019-03-31T05:36:08Z | | 67 | [circular-progress-button](https://github.com/dmytrodanylyk/circular-progress-button) | 5205 | 1178 | Java | 31 | Android Circular Progress Button | 2018-05-03T21:00:22Z | | 68 | [otto](https://github.com/square/otto) | 5199 | 938 | Java | 18 | An enhanced Guava-based event bus with emphasis on Android support. | 2018-12-17T16:07:14Z | | 69 | [Java-WebSocket](https://github.com/TooTallNate/Java-WebSocket) | 5198 | 1653 | Java | 30 | A barebones WebSocket client and server implementation written in 100% Java. | 2019-04-14T16:14:37Z | | 70 | [react-native-image-picker](https://github.com/react-native-community/react-native-image-picker) | 5132 | 1173 | Java | 356 | :sunrise_over_mountains: A React Native module that allows you to use native UI to select media from the device library or directly from the camera. | 2019-04-09T09:23:18Z | | 71 | [material-calendarview](https://github.com/prolificinteractive/material-calendarview) | 4992 | 1093 | Java | 100 | A Material design back port of Android's CalendarView | 2019-02-13T23:19:03Z | | 72 | [android-interview-questions](https://github.com/MindorksOpenSource/android-interview-questions) | 4924 | 954 | Java | 4 | Your Cheat Sheet For Android Interview - Android Interview Questions | 2019-04-05T11:42:01Z | | 73 | [ZhihuDailyPurify](https://github.com/izzyleung/ZhihuDailyPurify) | 4884 | 1017 | Java | 0 | Purified version of Zhihu Daily - 更纯净的知乎日报 | 2018-11-20T03:46:58Z | | 74 | [android-common](https://github.com/Trinea/android-common) | 4872 | 2747 | Java | 17 | Android common lib, include ImageCache, HttpCache, DropDownListView, DownloadManager, Utils and so on | 2017-05-16T16:03:36Z | | 75 | [Side-Menu.Android](https://github.com/Yalantis/Side-Menu.Android) | 4867 | 1529 | Java | 25 | Side menu with some categories to choose. | 2019-01-31T14:39:08Z | | 76 | [cw-omnibus](https://github.com/commonsguy/cw-omnibus) | 4857 | 3749 | Java | 1 | Source code to omnibus edition of _The Busy Coder's Guide to Android Development_ | 2019-02-09T23:04:17Z | | 77 | [gitpitch](https://github.com/gitpitch/gitpitch) | 4840 | 422 | Java | 14 | The Markdown Presentation Service For Everyone on GitHub, GitLab, Bitbucket, GitBucket, Gitea, and Gogs. | 2019-03-13T02:52:36Z | | 78 | [RippleEffect](https://github.com/traex/RippleEffect) | 4838 | 1132 | Java | 51 | Implementation of Ripple effect from Material Design for Android API 9+ | 2018-05-03T20:19:17Z | | 79 | [graylog2-server](https://github.com/Graylog2/graylog2-server) | 4782 | 744 | Java | 793 | Free and open source log management | 2019-04-12T17:57:32Z | | 80 | [processing](https://github.com/processing/processing) | 4777 | 1285 | Java | 537 | Source code for the Processing Core and Development Environment (PDE) | 2019-04-09T20:39:07Z | | 81 | [AndroidStaggeredGrid](https://github.com/etsy/AndroidStaggeredGrid) | 4767 | 1199 | Java | 107 | An Android staggered grid view which supports multiple columns with rows of varying sizes. | 2018-05-03T21:01:13Z | | 82 | [elastic-job-lite](https://github.com/elasticjob/elastic-job-lite) | 4758 | 2235 | Java | 133 | Elastic-Job is a distributed scheduled job framework, based on Quartz and Zookeeper. | 2019-03-28T02:33:05Z | | 83 | [wechat](https://github.com/motianhuo/wechat) | 4691 | 2107 | Java | 39 | A High Copy WeChat ,SNS APP (高仿微信) | 2018-08-23T07:54:02Z | | 84 | [FloatingActionButton](https://github.com/Clans/FloatingActionButton) | 4678 | 1065 | Java | 228 | Android Floating Action Button based on Material Design specification | 2019-01-29T05:42:45Z | | 85 | [disconf](https://github.com/knightliao/disconf) | 4663 | 2153 | Java | 190 | Distributed Configuration Management Platform(分布式配置管理平台) | 2019-01-29T08:55:59Z | | 86 | [error-prone](https://github.com/google/error-prone) | 4611 | 486 | Java | 297 | Catch common Java mistakes as compile-time errors | 2019-04-14T22:12:31Z | | 87 | [barcodescanner](https://github.com/dm77/barcodescanner) | 4584 | 1190 | Java | 189 | Barcode Scanner Libraries for Android | 2019-04-11T18:11:37Z | | 88 | [NavigationTabBar](https://github.com/Devlight/NavigationTabBar) | 4511 | 781 | Java | 53 | Navigation tab bar with colorful interactions. | 2018-05-21T21:34:31Z | | 89 | [Transitions-Everywhere](https://github.com/andkulikov/Transitions-Everywhere) | 4412 | 489 | Java | 3 | Set of extra Transitions on top of Jetpack Transitions Library | 2019-04-05T08:35:21Z | | 90 | [UltraViewPager](https://github.com/alibaba/UltraViewPager) | 4410 | 596 | Java | 41 | UltraViewPager is an extension for ViewPager to provide multiple features in a single ViewPager. | 2019-01-02T06:23:49Z | | 91 | [walle](https://github.com/Meituan-Dianping/walle) | 4364 | 618 | Java | 52 | Android Signature V2 Scheme签名下的新一代渠道包打包神器 | 2019-03-29T04:23:12Z | | 92 | [aurora-imui](https://github.com/jpush/aurora-imui) | 4332 | 729 | Java | 47 | General IM UI components. Android/iOS/RectNative ready. 通用 IM 聊天 UI 组件,已经同时支持 Android/iOS/RN。 | 2019-03-08T14:06:43Z | | 93 | [otter](https://github.com/alibaba/otter) | 4315 | 1699 | Java | 130 | 阿里巴巴分布式数据库同步系统(解决中美异地机房) | 2019-04-03T04:15:17Z | | 94 | [FastHub](https://github.com/k0shk0sh/FastHub) | 4217 | 590 | Java | 246 | FastHub the ultimate GitHub client for Android. | 2019-04-10T12:04:20Z | | 95 | [bottomsheet](https://github.com/Flipboard/bottomsheet) | 4173 | 585 | Java | 52 | Android component which presents a dismissible view from the bottom of the screen | 2019-03-13T10:10:01Z | | 96 | [FrameworkBenchmarks](https://github.com/TechEmpower/FrameworkBenchmarks) | 4070 | 1211 | Java | 46 | Source for the TechEmpower Framework Benchmarks project | 2019-04-14T06:19:41Z | | 97 | [FloatingActionButton](https://github.com/makovkastar/FloatingActionButton) | 4031 | 890 | Java | 78 | [DEPRECATED] Android floating action button | 2018-05-03T20:19:02Z | | 98 | [joda-time](https://github.com/JodaOrg/joda-time) | 4008 | 811 | Java | 21 | Joda-Time is the widely used replacement for the Java date and time classes prior to Java SE 8. | 2019-02-19T21:27:35Z | | 99 | [SwitchButton](https://github.com/kyleduo/SwitchButton) | 3989 | 806 | Java | 24 | A cute widget of Switch Button for you to create beautiful and friendly UI. | 2019-01-11T07:16:41Z | | 100 | [from-java-to-kotlin](https://github.com/MindorksOpenSource/from-java-to-kotlin) | 3978 | 498 | Java | 4 | From Java To Kotlin - Your Cheat Sheet For Java To Kotlin | 2019-04-11T10:24:41Z |