Trending repositories

301.mapstruct / mapstruct

An annotation processor for generating type-safe bean mappers

• mapstruct
• java
• annotation-processor
• mapping
• javabeans
• no-reflection
• +2 more

302.projectnessie / nessie

Nessie: Transactional Catalog for Data Lakes with Git-like semantics

• data
• spark
• java
• iceberg
• aws-lambda
• git

303.alibaba / druid

阿里云计算平台DataWorks(https://help.aliyun.com/document_detail/137663.html) 团队出品，为监控而生的数据库连接池

304.grpc / grpc-java

The Java gRPC implementation. HTTP/2 based RPC

• grpc
• java
• microservices
• proto
• rpc

305.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.

• api-gateway
• gateway
• apis
• api-management
• rest
• synapse
• +1 more

306.Netflix / eureka

AWS Service registry for resilient mid-tier load balancing and failover.

307.Netflix / conductorArchived

Conductor is a microservices orchestration engine.

• orchestration-engine
• java
• spring-boot
• distributed-systems
• workflow-management
• microservice-orchestration
• +7 more

308.MovingBlocks / Terasology

Terasology - open source voxel world

• java
• game
• voxel
• sandbox
• game-engine
• game-engine-3d
• +3 more

309.xwiki / xwiki-platform

The XWiki platform

310.xonotic / xonotic

Mirror of https://gitlab.com/xonotic/xonotic - Xonotic (superproject containing build scripts and tools to download other repositories and assets)

• xonotic
• nexuiz
• 3d-game
• fps-game
• game
• q3a
• +6 more

311.elunez / eladmin

eladmin jpa 版本：项目基于 Spring Boot 2.7.18、 Jpa、 Spring Security、Redis、Vue的前后端分离的后台管理系统，项目采用分模块开发方式， 权限控制采用 RBAC，支持数据字典与数据权限管理，支持一键生成前后端代码，支持动态路由

• spring-boot
• spring-security
• jpa
• redis
• vue
• element-ui
• +4 more

312.eclipse-vertx / vert.x

Vert.x is a tool-kit for building reactive applications on the JVM

• vertx
• java
• netty
• reactive
• jvm
• http2
• +5 more

313.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

• sql
• java
• parser
• ast
• postgresql
• mysql
• +7 more

314.amitshekhariitbhu / Fast-Android-Networking

🚀 A Complete Fast Android Networking Library that also supports HTTP/2 🚀

• http
• network
• libraries
• android
• fast
• okhttp
• +14 more

315.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.

• http
• http2
• http-server
• http-client
• thrift
• thrift-server
• +14 more

316.mabe02 / lanterna

Java library for creating text-based GUIs

317.methusalah / OpenRTS

Real-Time Strategy game 3D engine coded in pure java

318.apache / artemis

Apache Artemis

• java
• apache
• messaging
• broker
• amqp
• amqps
• +7 more

319.GoogleCloudPlatform / bank-of-anthos

Retail banking sample application showcasing Kubernetes and Google Cloud

• samples
• kubernetes
• reference-architecture
• sample-app
• fsi
• google-cloud
• +1 more

320.payatu / diva-android

DIVA Android - Damn Insecure and vulnerable App for Android

321.sqlancer / sqlancer

Automated testing to find logic and performance bugs in database systems

• testing
• sql
• dbms
• fuzzing
• dbms-testing
• sqlite
• +5 more

322.GerritCodeReview / gerrit

Gerrit Code Review - (mirror of https://gerrit.googlesource.com/gerrit)

• codereview
• gerrit

323.spring-cloud / spring-cloud-gateway

An API Gateway built on Spring Framework and Spring Boot providing routing and more.

• java
• spring
• spring-boot
• spring-cloud
• microservices
• proxy
• +3 more

324.Wisser / Jailer

Database Subsetting and Relational Data Browsing Tool.

• database
• subsetting
• frontend
• export
• extract
• sql
• +13 more

325.commonmark / commonmark-java

Java library for parsing and rendering CommonMark (Markdown)

• commonmark
• java
• markdown
• parser
• renderer
• library

326.nordicsemi / Android-BLE-Library

A library that makes working with Bluetooth LE on Android a pleasure. Seriously.

327.gravitee-io / gravitee-api-management

Gravitee.io - OpenSource API Management

• api
• api-management
• gateway
• java
• vertx
• api-gateway
• +1 more

328.Tencent / QMUI_Android

提高 Android UI 开发效率的 UI 库

• android
• android-ui
• ui-components

329.careercup / CtCI-6th-Edition

Cracking the Coding Interview 6th Ed. Solutions

• cracking-the-coding-interview
• java
• algorithms
• data-structures
• interview-questions
• careercup

330.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.

331.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.

• bitcoin

332.JCTools / JCTools

No description provided by the repository host.

• concurrency
• data-structures
• queues
• lock-free
• wait-free
• awesome
• +2 more

333.alfio-event / alf.io

alf.io - The open source ticket reservation system for conferences, trade shows, workshops, meetups

• alfio
• java
• event
• reservation
• ticketing
• ticket
• +3 more

334.VazkiiMods / Botania

A tech mod for Minecraft themed around the magic of nature and plant life.

• minecraft
• java
• hacktoberfest

335.hstsethi / awesome-j2me

Awesome list about everything related to J2ME. Documentation, academic papers, tutorials, communities, IDEs, SDKs, emulators, apps, video games.

• awesome-list
• j2me
• java
• javame
• awesome
• j2me-platform
• +14 more

336.kroxylicious / kroxylicious

Kroxylicious, the snappy open source proxy for Apache Kafka®

• apache-kafka
• java
• kafka
• proxy

337.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

• statusbar
• navigationbar
• bar
• immersion
• status
• navigation
• +3 more

338.Meituan-Dianping / Leaf

Distributed ID Generate Service

• leaf
• distributed-id-generator

339.quartz-scheduler / quartz

Code for Quartz Scheduler

340.apache / ignite

Apache Ignite

• distributed-sql-database
• iot
• osgi
• network-client
• ignite
• data-management-platform
• +9 more

341.googleapis / google-cloud-java

Google Cloud Client Library for Java

• java
• cloud-bigquery
• cloud-storage
• cloud-datastore
• google-cloud
• artisanal
• +1 more

342.SpongePowered / Mixin

Mixin is a trait/mixin and bytecode weaving framework for Java using ASM

• java
• mixins
• gradle
• mixin-framework
• minecraft
• asm
• +3 more

343.nextgenhealthcare / connect

The swiss army knife of healthcare integration.

• mirth
• mirth-connect
• hl7
• healthcare
• integration
• interoperability

344.jjazzboss / JJazzLab

A complete and open application for automatic backing tracks generation.

• music
• music-library
• music-generation
• music-composition
• music-player
• music-theory
• +12 more

345.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。

• spring-boot
• spring-data-jpa
• mybatis
• thymeleaf
• rabbitmq
• mongodb
• +14 more

346.OpenFeign / feign

Feign makes writing java http clients easier

• java
• http-client
• jax-rs
• okhttp3
• slf4j
• interface

347.CalebFenton / simplify

Android virtual machine and deobfuscator

• deobfuscation
• java
• optimization
• android
• reverse-engineering
• malware-analysis
• +9 more

348.eclipse-collections / eclipse-collections

Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

• java
• eclipse-collections
• java-collections
• collections
• data-structures
• functional
• +3 more

349.Hakky54 / certificate-ripper

🔐 A CLI tool to extract server certificates

• certificate
• ssl
• x509
• tls
• java
• macos
• +7 more

350.tordanik / OSM2World

converter that creates three-dimensional models of the world from OpenStreetMap data

• openstreetmap
• 3d
• 3d-tiles
• gltf
• pbr
• wavefront-obj

351.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.

• broker
• iot
• java
• kafka
• mqtt
• mqtt-broker
• +5 more

352.membrane / api-gateway

API Gateway bridging modern and legacy APIs with WSDL-to-OpenAPI, SOAP-to-REST, XML, OAuth2, and GraphQL.

• oauth2
• api-gateway
• api
• rest
• openapi
• soap
• +3 more

353.haifengl / smile

Statistical Machine Intelligence & Learning Engine

• machine-learning
• regression
• clustering
• manifold-learning
• nlp
• visualization
• +14 more

354.classgraph / classgraph

An uber-fast parallelized Java classpath scanner and module scanner.

355.dineshshetty / Android-InsecureBankv2

Vulnerable Android application for developers and security enthusiasts to learn about Android insecurities

356.imagej / imagej2

Open scientific N-dimensional image processing :microscope: :sparkler:

• image-processing
• computer-vision

357.openhab / openhab-core

Core framework of openHAB

• openhab
• java
• home-automation
• internet-of-things
• iot

358.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.

• annotation
• apache-poi
• csv
• data-processing
• excel
• file-parsing
• +14 more

359.NanoHttpd / nanohttpd

Tiny, easily embeddable HTTP server in Java.

360.Vedenin / useful-java-links

A list of useful Java frameworks, libraries, software and hello worlds examples

• java-links
• java-frameworks
• awesome-list
• machine-learning
• java-libraries
• java-api
• +4 more

361.apache / avro

Apache Avro is a data serialization system.

• csharp
• ruby
• cplusplus
• python
• php
• java
• +5 more

362.HotswapProjects / HotswapAgent

Java unlimited redefinition of classes at runtime.

363.mission-peace / interview

Interview questions

364.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.

• orientdb
• graph-database
• document-database
• dbms
• nosql
• graph-store
• +6 more

365.forezp / SpringCloudLearning

《史上最简单的Spring Cloud教程源码》

• spring-cloud
• spring-boot
• hystrix
• finchley
• hystrix-dashboard
• ribbon
• +9 more

366.winterbe / java8-tutorial

Modern Java - A Guide to Java 8

• java-8
• tutorial
• lambda-expressions
• java
• stream
• parallel-streams
• +2 more

367.lingochamp / FileDownloader

Multitask、MultiThread(MultiConnection)、Breakpoint-resume、High-concurrency、Simple to use、Single/NotSingle-process

• filedownloader
• multiple-process
• multiple-thread
• downloader
• download
• android
• +3 more

368.java-native-access / jna

Java Native Access

369.igniterealtime / Openfire

An XMPP server licensed under the Open Source Apache License.

• openfire
• xmpp
• xmpp-server
• java
• collaboration
• jabber
• +1 more

370.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)

• findbugs
• java
• security-audit
• owasp
• taint-analysis
• code-analysis
• +5 more

371.schemacrawler / SchemaCrawler

Free database schema discovery and comprehension tool

• schemacrawler
• jdbc
• database-diagrams
• schema
• java
• database
• +11 more

372.jline / jline3

JLine is a Java library for handling console input.

• cli
• console
• java

373.datafaker-net / datafaker

Generating fake data for the JVM (Java, Kotlin, Groovy) has never been easier!

• testing
• faker

374.xmolecules / jmolecules

Libraries to help developers express architectural abstractions in Java code

• architecture
• java
• domain-driven-design

375.ongres / stackgres

StackGres Operator, Full Stack PostgreSQL on Kubernetes // !! Mirror repository of https://gitlab.com/ongresinc/stackgres, only accept Merge Requests there.

• postgres
• postgresql
• kubernetes
• kubernetes-operator
• java
• high-availability

376.hyphanet / fred

Freenet REference Daemon

• anonymity
• hyphanet
• privacy

377.apache / streampipes

Apache StreamPipes - A self-service (Industrial) IoT toolbox to enable non-technical users to connect, analyze and explore IoT data streams.

• iot
• analytics
• edge
• stream-processing
• iiot
• self-service
• +6 more

378.hollischuang / toBeTopJavaer

To Be Top Javaer - Java工程师成神之路

• java
• programmer
• jvm
• spring
• mysql
• design-patterns

379.fabric8io / kubernetes-client

Java client for Kubernetes & OpenShift

• kubernetes
• openshift
• java-client
• kubernetes-client
• mocking-kubernetes
• kubernetes-model
• +4 more

380.plantuml / plantuml-server

PlantUML Online Server

381.casid / jte

Secure and speedy templates for Java and Kotlin.

• java
• template-engine
• intellij
• kotlin
• server-side-rendering
• html

382.hex007 / freej2me

A free J2ME emulator with libretro, awt and sdl2 frontends.

• j2me
• emulator
• emulator-frontend
• libretro
• sdl2
• sdl2-frontends
• +1 more

383.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.

• android-cleanarchitecture
• architectural
• java
• android-application
• android
• android-development
• +1 more

384.Yalantis / uCrop

Image Cropping Library for Android

• android
• java
• image
• photo
• crop
• animation
• +2 more

385.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)。

• rtmp-pusher
• rtmp-player
• android-rtmp
• ios-rtmp
• windows-rtmp
• rtsp-player
• +13 more

386.rest-assured / rest-assured

Java DSL for easy testing of REST services

• rest
• rest-api
• java
• groovy
• test-automation
• test
• +4 more

387.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.

• java
• jvm
• eclipse-openj9
• compiler
• garbage-collector
• gc
• +5 more

388.TEAMMATES / teammates

TEAMMATES is a feedback management tool for education

• java
• teammates
• universities
• students
• peer-evaluations
• teachers
• +4 more

389.OpenIdentityPlatform / OpenAM

OpenAM is an open-source access management solution for identity authentication, authorization, and federation. It provides single sign-on, adaptive authentication, and centralized policy control, enabling secure access to web, mobile, and cloud applications

• openam
• sso
• oauth
• saml
• aaa
• authentication
• +14 more

390.mguessan / davmail

DavMail POP/IMAP/SMTP/CalDAV/CardDAV/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at

• exchange-server
• imap
• pop3
• ldap
• caldav
• carddav
• +7 more

391.openhtmltopdf / openhtmltopdf

An HTML to PDF library for the JVM. Based on Flying Saucer and Apache PDF-BOX 3. With SVG image support. Now also with accessible PDF support (WCAG, Section 508, PDF/UA)!

392.coobird / thumbnailator

Thumbnailator - a thumbnail generation library for Java

• java
• image-processing
• thumbnails
• fluent-interface
• image-resizer

393.citerus / dddsample-core

This is the new home of the original DDD Sample app (previously hosted at sf.net)..

394.brianfrankcooper / YCSB

Yahoo! Cloud Serving Benchmark

395.prometheus / jmx_exporter

A process for collecting metrics using JMX MBeans for Prometheus consumption

• jmx
• prometheus
• mbean
• java-agent
• monitoring
• prometheus-exporter
• +2 more

396.pac4j / pac4j

Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

• java
• security
• authentication
• authorization
• cas
• oauth
• +14 more

397.Netflix / EVCache

A distributed in-memory data store for the cloud

398.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.

• code-analysis
• code-transformation
• metaprogramming
• code-generation
• abstract-syntax-tree
• ast
• +10 more

399.federicodotta / Brida

The new bridge between Burp Suite and Frida!

400.DSpace / DSpace

(Official) The DSpace digital asset management system that powers your Institutional Repository

• dspace
• repository
• java
• open-access
• open-source
• rest-api