201.mapstruct / mapstruct
An annotation processor for generating type-safe bean mappers
+39 stars
from 7,659 · score 3.69
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
201–300 of 673 by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
202.projectnessie / nessie
Nessie: Transactional Catalog for Data Lakes with Git-like semantics
+39 stars
from 1,487 · score 3.69
203.grpc / grpc-java
The Java gRPC implementation. HTTP/2 based RPC
+38 stars
from 12,036 · score 3.66
204.gatling / gatling
Modern Load Testing as Code
+38 stars
from 6,917 · score 3.66
205.HabitRPG / habitica-android
Native Android app for Habitica
+38 stars
from 1,801 · score 3.66
206.Netflix / conductorArchived
Conductor is a microservices orchestration engine.
+37 stars
from 12,715 · score 3.64
207.MovingBlocks / Terasology
Terasology - open source voxel world
+37 stars
from 3,865 · score 3.64
208.eclipse-vertx / vert.x
Vert.x is a tool-kit for building reactive applications on the JVM
+36 stars
from 14,646 · score 3.61
209.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
+36 stars
from 5,934 · score 3.61
210.minekube / gate
Build efficient Bedrock & Java Minecraft networks with multi-version support. Powers global Connect network at production scale. Runs with 10MB.
+36 stars
from 1,052 · score 3.61
211.HDFGroup / hdf5
Official HDF5® Library Repository
+36 stars
from 958 · score 3.61
212.judasn / IntelliJ-IDEA-Tutorial
IntelliJ IDEA 简体中文专题教程
+35 stars
from 21,995 · score 3.58
213.apache / artemis
Apache Artemis
+35 stars
from 1,036 · score 3.58
214.dotansimha / graphql-code-generator
A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.
+33 stars
from 11,233 · score 3.53
215.spring-cloud / spring-cloud-gateway
An API Gateway built on Spring Framework and Spring Boot providing routing and more.
+32 stars
from 4,888 · score 3.50
216.Wisser / Jailer
Database Subsetting and Relational Data Browsing Tool.
+32 stars
from 3,184 · score 3.50
217.commonmark / commonmark-java
Java library for parsing and rendering CommonMark (Markdown)
+32 stars
from 2,669 · score 3.50
218.gravitee-io / gravitee-api-management
Gravitee.io - OpenSource API Management
+32 stars
from 434 · score 3.50
219.careercup / CtCI-6th-Edition
Cracking the Coding Interview 6th Ed. Solutions
+31 stars
from 11,425 · score 3.47
220.JCTools / JCTools
No description provided by the repository host.
+31 stars
from 3,853 · score 3.47
221.alfio-event / alf.io
alf.io - The open source ticket reservation system for conferences, trade shows, workshops, meetups
+31 stars
from 1,596 · score 3.47
222.VazkiiMods / Botania
A tech mod for Minecraft themed around the magic of nature and plant life.
+31 stars
from 1,450 · score 3.47
223.rjust / defects4j
A Database of Real Faults and an Experimental Infrastructure to Enable Controlled Experiments in Software Engineering Research
+31 stars
from 980 · score 3.47
224.hstsethi / awesome-j2me
Awesome list about everything related to J2ME. Documentation, academic papers, tutorials, communities, IDEs, SDKs, emulators, apps, video games.
+31 stars
from 402 · score 3.47
225.kroxylicious / kroxylicious
Kroxylicious, the snappy open source proxy for Apache Kafka®
+31 stars
from 301 · score 3.47
226.teivah / algodeck
An Open-Source Collection of Flash Cards to Help You Preparing Your Algorithms & Data Structures and System Design Interviews 💯
+30 stars
from 5,816 · score 3.43
227.googleapis / google-cloud-java
Google Cloud Client Library for Java
+30 stars
from 2,076 · score 3.43
228.SpongePowered / Mixin
Mixin is a trait/mixin and bytecode weaving framework for Java using ASM
+30 stars
from 1,705 · score 3.43
229.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。
+29 stars
from 30,404 · score 3.40
230.OpenFeign / feign
Feign makes writing java http clients easier
+29 stars
from 9,772 · score 3.40
231.CalebFenton / simplify
Android virtual machine and deobfuscator
+29 stars
from 4,647 · score 3.40
232.eclipse-collections / eclipse-collections
Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
+29 stars
from 2,635 · score 3.40
233.Hakky54 / certificate-ripper
🔐 A CLI tool to extract server certificates
+29 stars
from 918 · score 3.40
234.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.
+29 stars
from 746 · score 3.40
235.openhab / openhab-core
Core framework of openHAB
+28 stars
from 1,131 · score 3.37
236.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.
+28 stars
from 38 · score 3.37
237.apache / avro
Apache Avro is a data serialization system.
+27 stars
from 3,282 · score 3.33
238.microsoft / CNTKArchived
Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolkit
+26 stars
from 17,557 · score 3.30
+26 stars
from 13,108 · score 3.30
240.winterbe / java8-tutorial
Modern Java - A Guide to Java 8
+25 stars
from 16,684 · score 3.26
241.nisrulz / flutter-examples
[Examples] Simple basic isolated apps, for budding flutter devs.
+25 stars
from 7,128 · score 3.26
242.Netflix / dgs-framework
GraphQL for Java with Spring Boot made easy.
+25 stars
from 3,376 · score 3.26
243.igniterealtime / Openfire
An XMPP server licensed under the Open Source Apache License.
+25 stars
from 3,049 · score 3.26
244.find-sec-bugs / find-sec-bugs
The SpotBugs plugin for security audits of Java web applications and Android applications. (Also work with Kotlin, Groovy and Scala projects)
+25 stars
from 2,428 · score 3.26
245.schemacrawler / SchemaCrawler
Free database schema discovery and comprehension tool
+25 stars
from 1,816 · score 3.26
246.jline / jline3
JLine is a Java library for handling console input.
+25 stars
from 1,786 · score 3.26
247.xmolecules / jmolecules
Libraries to help developers express architectural abstractions in Java code
+25 stars
from 1,545 · score 3.26
248.ongres / stackgres
StackGres Operator, Full Stack PostgreSQL on Kubernetes // !! Mirror repository of https://gitlab.com/ongresinc/stackgres, only accept Merge Requests there.
+25 stars
from 1,419 · score 3.26
249.hollischuang / toBeTopJavaer
To Be Top Javaer - Java工程师成神之路
+24 stars
from 25,262 · score 3.22
250.Tamsiree / RxTool
Android开发人员不得不收集的工具类集合 | 支付宝支付 | 微信支付（统一下单） | 微信分享 | Zip4j压缩（支持分卷压缩与加密） | 一键集成UCrop选择圆形头像 | 一键集成二维码和条形码的扫描与生成 | 常用Dialog | WebView的封装可播放视频 | 仿斗鱼滑动验证码 | Toast封装 | 震动 | GPS | Location定位 | 图片缩放 | Exif 图片添加地理位置信息（经纬度） | 蛛网等级 | 颜色选择器 | ArcGis | VTPK | 编译运行一下说不定会找到惊喜
+24 stars
from 12,266 · score 3.22
251.EsotericSoftware / kryo
Java binary serialization and cloning: fast, efficient, automatic
+24 stars
from 6,524 · score 3.22
252.fabric8io / kubernetes-client
Java client for Kubernetes & OpenShift
+24 stars
from 3,661 · score 3.22
253.casid / jte
Secure and speedy templates for Java and Kotlin.
+24 stars
from 1,124 · score 3.22
254.woesss / JL-Mod
J2ME emulator for Android (unofficial fork of https://github.com/nikita36078/J2ME-Loader)
+24 stars
from 300 · score 3.22
255.android10 / Android-CleanArchitecture
This is a sample app that is part of a series of blog posts I have written about how to architect an android application using Uncle Bob's clean architecture approach.
+23 stars
from 15,506 · score 3.18
256.Yalantis / uCrop
Image Cropping Library for Android
+23 stars
from 12,055 · score 3.18
257.rest-assured / rest-assured
Java DSL for easy testing of REST services
+23 stars
from 7,123 · score 3.18
258.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.
+23 stars
from 3,524 · score 3.18
259.TEAMMATES / teammates
TEAMMATES is a feedback management tool for education
+23 stars
from 1,837 · score 3.18
260.coobird / thumbnailator
Thumbnailator - a thumbnail generation library for Java
+22 stars
from 5,407 · score 3.14
261.prometheus / jmx_exporter
A process for collecting metrics using JMX MBeans for Prometheus consumption
+22 stars
from 3,312 · score 3.14
262.pac4j / pac4j
Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...
+22 stars
from 2,517 · score 3.14
263.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.
+22 stars
from 1,941 · score 3.14
264.DSpace / DSpace
(Official) The DSpace digital asset management system that powers your Institutional Repository
+22 stars
from 1,083 · score 3.14
265.apache / stormcrawler
A scalable, mature and versatile web crawler based on Apache Storm
+22 stars
from 989 · score 3.14
266.mikepenz / MaterialDrawer
The flexible, easy to use, all in one drawer library for your Android project. Now brand new with material 2 design.
+21 stars
from 11,617 · score 3.09
267.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.
+21 stars
from 5,981 · score 3.09
268.awaitility / awaitility
Awaitility is a small Java DSL for synchronizing asynchronous operations
+21 stars
from 4,014 · score 3.09
269.springdoc / springdoc-openapi
Library for OpenAPI 3 with spring-boot
+21 stars
from 3,722 · score 3.09
270.haraldk / TwelveMonkeys
TwelveMonkeys ImageIO: Additional plug-ins and extensions for Java's ImageIO
+21 stars
from 2,130 · score 3.09
271.zalando / logbook
An extensible Java library for HTTP request and response logging
+21 stars
from 2,050 · score 3.09
272.codelibs / fess
Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.
+21 stars
from 1,121 · score 3.09
273.devtoolsd / DevBooks
A curated, opinionated list of best-in-class books for modern software development, popular programming languages, and AI/ML.
+21 stars
from 82 · score 3.09
274.code4craft / webmagic
A scalable web crawler framework for Java.
+20 stars
from 11,650 · score 3.04
275.jtablesaw / tablesaw
Java dataframe and visualization library
+20 stars
from 3,749 · score 3.04
276.mhrimaz / AwesomeJavaFX
A curated list of awesome JavaFX libraries, books, frameworks, etc...
+20 stars
from 3,356 · score 3.04
277.apache / activemq
Apache ActiveMQ
+20 stars
from 2,442 · score 3.04
278.mapsforge / mapsforge
Vector map library and writer - running on Android and Desktop.
+20 stars
from 1,399 · score 3.04
279.commons-app / apps-android-commons
The Wikimedia Commons Android app allows users to upload pictures from their Android phone/tablet to Wikimedia Commons
+20 stars
from 1,172 · score 3.04
280.stripe / stripe-java
Java library for the Stripe API.
+20 stars
from 992 · score 3.04
281.tink-crypto / tinkArchived
Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
+19 stars
from 13,519 · score 3.00
282.playframework / playframework
The Community Maintained High Velocity Web Framework For Java and Scala.
+19 stars
from 12,601 · score 3.00
283.docker-archive-public / docker.labsArchived
This is a collection of tutorials for learning how to use Docker with various tools. Contributions welcome.
+19 stars
from 11,863 · score 3.00
284.Loophole-LLC / Bastillion
Bastillion gives you a clean, browser-based way to manage SSH access across all your systems—like a bastion host with a friendly dashboard.
+19 stars
from 3,533 · score 3.00
285.hierynomus / sshj
ssh, scp and sftp for java
+19 stars
from 2,652 · score 3.00
286.hivemq / hivemq-mqtt-client
HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support
+19 stars
from 1,106 · score 3.00
287.cdk / cdk
The Chemistry Development Kit
+19 stars
from 593 · score 3.00
288.AsyncHttpClient / async-http-client
Asynchronous, non-blocking HTTP & WebSocket client for the JVM
+18 stars
from 6,380 · score 2.94
289.manifold-systems / manifold
Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.
+18 stars
from 2,747 · score 2.94
290.dromara / jquick-curl
jquick‑curl: Java library to run raw curl commands, support copy‑paste curl from Postman/Apifox/Browser DevTools, no need to write HTTP client code.
+18 stars
from 1,076 · score 2.94
291.btraceio / btrace
Production-safe dynamic tracing and diagnostics for Java applications—attach to live JVMs with no restart or recompilation.
+17 stars
from 5,980 · score 2.89
292.failsafe-lib / failsafe
Fault tolerance and resilience patterns for the JVM
+17 stars
from 4,303 · score 2.89
293.apache / cordova-android
Apache Cordova Android
+17 stars
from 3,780 · score 2.89
294.chriswhocodes / jitwatch
Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.
+17 stars
from 3,296 · score 2.89
295.moquette-io / moquette
Java MQTT lightweight broker
+17 stars
from 2,445 · score 2.89
296.SimpleITK / SimpleITK
SimpleITK: a layer built on top of the Insight Toolkit (ITK), intended to simplify and facilitate ITK's use in rapid prototyping, education and interpreted languages.
+17 stars
from 1,076 · score 2.89
297.ionic-team / capacitor-plugins
Official plugins for Capacitor ⚡️
+17 stars
from 671 · score 2.89
298.OneBusAway / onebusaway-android
The official Android app for OneBusAway
+17 stars
from 561 · score 2.89
299.OpenOLAT / OpenOLAT
Learning Management System OpenOlat
+17 stars
from 432 · score 2.89
300.akexorcist / round-corner-progress-bar
[Android] Round Corner Progress Bar Library for Android
+16 stars
from 2,592 · score 2.83