platform: jvm
3641 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| microsoft/playwright Playwright is a framework for web testing and browser automation that drives Chromium, Firefox, and WebKit through a single API, available … | 98 | 95186 | stable |
| mall mall is a full-featured open-source e-commerce system built with Spring Boot and MyBatis, including a customer-facing storefront and an adm… | 60 | 84634 | active |
| spring-projects/spring-boot Spring Boot is an opinionated framework for building stand-alone, production-grade Spring-based Java applications with minimal configuratio… | 99 | 81367 | stable |
| elastic/elasticsearch Elasticsearch is a free and open source, distributed, RESTful search and analytics engine built on Apache Lucene. It stores structured, uns… | 95 | 77863 | stable |
| X Recommendation Algorithm The open-source source code for X's (formerly Twitter) recommendation algorithm, a set of services and jobs that serve personalized feeds o… | 48 | 73868 | active |
| NationalSecurityAgency/ghidra Ghidra is a software reverse engineering framework built by the NSA that includes a suite of tools for disassembly, decompilation, graphing… | 95 | 72873 | stable |
| spring-projects/spring-framework Spring Framework is the foundational application framework for Java-based enterprise applications, providing dependency injection, AOP, tra… | 99 | 60212 | stable |
| JetBrains/kotlin Kotlin is a statically typed programming language developed by JetBrains that compiles to JVM bytecode, JavaScript, WebAssembly, and native… | 93 | 53354 | stable |
| google/guava Guava is Google's set of core Java libraries providing new collection types (multimap, multiset, immutable collections), a graph library, a… | 99 | 51891 | stable |
| dbeaver/dbeaver DBeaver is a free, open-source, multi-platform universal database tool and SQL client built in Java. It supports any database with a JDBC o… | 99 | 51554 | stable |
| ReactiveX/RxJava RxJava is a JVM implementation of Reactive Extensions, a library for composing asynchronous and event-based programs using observable seque… | 98 | 48204 | active |
| JeecgBoot JeecgBoot is an enterprise-grade AI low-code platform for Java that combines low-code and zero-code development with AI Skills that generat… | 95 | 47483 | active |
| lysine-dev/okhttp OkHttp is a meticulous HTTP client library for the JVM, Android, and GraalVM, written in Kotlin. It provides efficient HTTP/2 and HTTP/1.1 … | 77 | 47053 | stable |
| lysine-dev/retrofit Retrofit is a type-safe HTTP client for Android and the JVM that turns REST APIs into Java or Kotlin interfaces using annotations. It gener… | 79 | 43934 | stable |
| apache/spark Apache Spark is a unified analytics engine for large-scale data processing, providing high-level APIs in Scala, Java, Python, and R over an… | 77 | 43882 | stable |
| apache/dubbo Apache Dubbo is a high-performance RPC and microservice framework for Java (with multi-language SDKs) that provides service discovery, traf… | 94 | 41555 | stable |
| halo-dev/halo Halo is a powerful and easy-to-use open-source website building tool (CMS) written in Java, supporting blogs, knowledge bases, corporate si… | 95 | 39617 | active |
| yudao (ruoyi-vue-pro) Yudao (ruoyi-vue-pro) is an open-source rapid development platform and admin management system built on Spring Boot, MyBatis Plus, and Vue/… | 97 | 38991 | active |
| alibaba/arthas Arthas is Alibaba's open-source Java diagnostic tool for troubleshooting production issues without modifying code or restarting the JVM. It… | 98 | 37497 | active |
| Keycloak Keycloak is an open-source identity and access management service providing single sign-on, user federation, and fine-grained authorization… | 99 | 36431 | stable |
| netty/netty Netty is an asynchronous event-driven network application framework for the JVM, enabling rapid development of high-performance protocol se… | 98 | 35035 | stable |
| bumptech/glide Glide is a fast and efficient image loading and media management library for Android that wraps media decoding, memory and disk caching, an… | 97 | 35026 | stable |
| Selenium Selenium is an umbrella project of tools and libraries for automating web browsers, providing the infrastructure for the W3C WebDriver spec… | 94 | 34397 | stable |
| apache/kafka Apache Kafka is an open-source distributed event streaming platform for building high-performance data pipelines, streaming analytics, and … | 77 | 33632 | stable |
| alibaba/nacos Nacos is a dynamic service discovery, configuration management, and service management platform for cloud native and AI applications, origi… | 95 | 33307 | stable |
| binarywang/WxJava WxJava is a comprehensive Java SDK for WeChat backend development, covering WeChat Pay, Mini Programs, Official Accounts, Open Platform, En… | 76 | 33051 | active |
| conductor-oss/conductor Conductor is an open-source durable execution and workflow orchestration engine for microservices, event-driven workflows, and AI agents, o… | 93 | 32137 | active |
| xuxueli/xxl-job XXL-JOB is a lightweight distributed task scheduling platform written in Java, featuring a central admin console and executor clients that … | 89 | 30493 | stable |
| chinabugotech/hutool Hutool is a comprehensive Java utility library that wraps common JDK operations into convenient static helper classes. It covers strings, c… | 92 | 30271 | stable |
| LeakCanary LeakCanary is a memory leak detection library for Android that automatically detects and analyzes memory leaks in Android applications. It … | 85 | 29987 | active |
| apolloconfig/apollo Apollo is a reliable, centralized configuration management system for microservices, built on Spring Boot and Spring Cloud. It provides a w… | 88 | 29803 | stable |
| DrKLO/Telegram The official open-source code for the Telegram messenger app on Android, written in Java. It allows developers to build their own Telegram … | 74 | 29778 | active |
| alibaba/canal Canal is an Alibaba open-source component that parses MySQL binlog to provide incremental data subscription and consumption. It masquerades… | 66 | 29725 | stable |
| librepods-org/librepods LibrePods is an open-source app that unlocks Apple AirPods-exclusive features on Linux and Android by implementing the proprietary Bluetoot… | 86 | 29585 | active |
| Shizuku Shizuku lets normal Android apps call system APIs with elevated ADB or root privileges by running a server process via app_process and prox… | 35 | 29367 | active |
| alibaba/spring-cloud-alibaba Spring Cloud Alibaba is a one-stop framework for building distributed Java microservices on the Spring Cloud programming model, integrating… | 89 | 29167 | active |
| Anuken/Mindustry Mindustry is an open-source sandbox tower-defense and real-time strategy game written in Java, featuring resource automation, factory build… | 97 | 28747 | active |
| dmlc/xgboost XGBoost is an optimized, scalable gradient boosting library implementing parallel tree boosting (GBDT/GBM) with bindings for Python, R, Jav… | 95 | 28694 | stable |
| alibaba/druid Alibaba Druid is a high-performance JDBC database connection pool for Java that integrates SQL parsing, SQL firewall protection, and real-t… | 77 | 28179 | stable |
| lenve/vhr vhr (微人事) is a full-stack, front-end/back-end separated human resources management system built with Spring Boot and Vue, covering employee… | 32 | 28078 | active |
| kestra-io/kestra Kestra is an open-source, event-driven orchestration and scheduling platform for data, AI, and infrastructure workflows, written in Java. I… | 95 | 27933 | stable |
| OpenAPI Generator OpenAPI Generator is a Java-based tool that generates API client libraries, server stubs, documentation, and configuration from OpenAPI 2.0… | 95 | 26685 | stable |
| jenkinsci/jenkins Jenkins is the leading open-source automation server, built in Java, used for continuous integration and continuous delivery of software. I… | 95 | 26500 | stable |
| apache/flink Apache Flink is an open-source distributed stream processing framework for stateful computations over unbounded and bounded data streams, w… | 77 | 26294 | stable |
| apache/incubator-seata Apache Seata (incubating) is an open-source, high-performance distributed transaction solution for microservices architectures. It provides… | 80 | 25992 | stable |
| iBotPeaches/Apktool Apktool is a Java-based command-line tool for reverse engineering Android APK files. It decodes resources and manifest files to nearly orig… | 89 | 25386 | stable |
| libgdx/libgdx libGDX is a cross-platform Java game development framework based on OpenGL (ES) that targets Windows, Linux, macOS, Android, iOS, and HTML5… | 87 | 25337 | stable |
| scwang90/SmartRefreshLayout SmartRefreshLayout is an Android pull-to-refresh and load-more layout framework built on ViewGroup, supporting nested view hierarchies, ove… | 34 | 25127 | stable |
| apache/skywalking Apache SkyWalking is an open-source APM (Application Performance Monitoring) platform for microservices, cloud-native, and container-based … | 83 | 24931 | stable |
| greenrobot/EventBus EventBus is a publish/subscribe event bus library for Android and Java that decouples event senders and receivers with a simple annotation-… | 23 | 24718 | stable |
| google-ai-edge/gallery Google AI Edge Gallery is a mobile and desktop application for running open-source large language models like Gemma entirely on-device, off… | 86 | 24565 | active |
| redisson/redisson Redisson is a Java client and real-time data platform for Redis and Valkey, built on Netty, offering sync, async, reactive, and RxJava3 API… | 98 | 24378 | stable |
| openjdk/jdk The main-line development repository for the OpenJDK, the open-source implementation of the Java Platform, Standard Edition. It contains th… | 77 | 23273 | active |
| Sentinel Sentinel is a flow control and reliability library for microservices, providing rate limiting, traffic shaping, concurrency limiting, circu… | 76 | 23142 | stable |
| mihonapp/mihon Mihon is a free and open source manga reader app for Android, a continuation of the Tachiyomi project. It lets users discover, download, an… | 92 | 23136 | active |
| Wechaty Wechaty is a Conversational RPA SDK for building chatbots on instant messaging platforms like WeChat, WhatsApp, WeCom, Gitter, and Lark in … | 49 | 22986 | active |
| apache/rocketmq Apache RocketMQ is a distributed cloud-native messaging and streaming platform built for low-latency, high-throughput, financially reliable… | 90 | 22570 | stable |
| jhipster/generator-jhipster JHipster is a Yeoman-based development platform that scaffolds complete full-stack web applications and microservice architectures, combini… | 93 | 22446 | stable |
| floci-io/floci Floci is a free, open-source local AWS emulator that runs 83 AWS services (S3, SQS, DynamoDB, Lambda, ECS, and more) on your machine via Do… | 82 | 22391 | active |
| ELAdmin ELADMIN is a front-end/back-end separated admin management system built on Spring Boot 2.7.18, JPA, Spring Security, JWT, Redis, and Vue. I… | 59 | 21918 | active |
| android/nowinandroid Now in Android is a fully functional Android news app built entirely with Kotlin and Jetpack Compose, demonstrating official Android archit… | 67 | 21726 | active |
| oracle/graal GraalVM is a high-performance JDK distribution that includes an advanced just-in-time compiler and Native Image, which compiles Java applic… | 67 | 21674 | stable |
| CarGuo/GSYVideoPlayer A comprehensive Android video player library that wraps IJKPlayer, Media3 (ExoPlayer), MediaPlayer, and AliPlayer behind a unified API. It … | 98 | 21476 | active |
| Agent Development Kit (ADK) Agent Development Kit (ADK) is Google's open-source, code-first framework for building, evaluating, and deploying AI agents, available in P… | 82 | 21299 | active |
| brettwooldridge/HikariCP HikariCP is a lightweight, high-performance JDBC connection pool for Java applications. It is a production-ready, 'zero-overhead' library w… | 71 | 21192 | stable |
| apache/shardingsphere Apache ShardingSphere is an enterprise distributed database ecosystem that turns heterogeneous databases (MySQL, PostgreSQL, etc.) into a d… | 79 | 20788 | stable |
| JetBrains/intellij-community The open-source codebase of IntelliJ IDEA and the IntelliJ Platform, the foundation for JetBrains IDEs like PyCharm. It provides a full-fea… | 98 | 20488 | active |
| mybatis/mybatis-3 MyBatis is a first-class SQL mapping persistence framework for Java that couples objects with SQL statements or stored procedures via XML d… | 79 | 20439 | stable |
| apache/casbin Apache Casbin is an open-source authorization library that enforces access control using models such as ACL, RBAC, ABAC, ReBAC, and MAC, de… | 98 | 20349 | stable |
| linlinjava/litemall litemall is an open-source small e-commerce mall system combining a Spring Boot backend, a Vue admin dashboard, a WeChat mini-program store… | 67 | 20337 | active |
| tipsy/profile-summary-for-github A web application that visualizes a user's GitHub presence, generating a summary dashboard of their profile activity. It is built with Kotl… | 63 | 19946 | active |
| JetBrains/compose-multiplatform Compose Multiplatform is a declarative UI framework by JetBrains, based on Jetpack Compose, for sharing UI code across Android, iOS, deskto… | 99 | 19319 | stable |
| dromara/Sa-Token Sa-Token is a lightweight, open-source Java authentication and authorization framework covering login authentication, permission checks, di… | 95 | 19005 | stable |
| ANTLR v4 ANTLR v4 is a parser generator that reads grammar files and produces parsers, lexers, and parse-tree walkers in ten target languages includ… | 53 | 18986 | stable |
| dianping/cat CAT is a real-time application monitoring (APM) platform developed in Java at Meituan-Dianping, providing performance metrics, health statu… | 23 | 18944 | active |
| gradle/gradle Gradle is an open-source build automation tool with declarative DSLs in Kotlin and Groovy, incremental builds, build caching, and a rich pl… | 99 | 18803 | stable |
| LMAX-Exchange/disruptor LMAX Disruptor is a high-performance, lock-free inter-thread messaging library for the JVM built around a ring buffer with 'mechanical symp… | 29 | 18451 | stable |
| Tencent/APIJSON APIJSON is a Tencent open-source Java ORM and JSON-based API protocol that auto-generates CRUD APIs and documentation without backend codin… | 98 | 18402 | active |
| google/libphonenumber Google's multi-language (Java, C++, JavaScript) library for parsing, formatting, and validating international phone numbers for all countri… | 99 | 18232 | stable |
| kurikomi-labs/komi-store Komi Store is a free, open-source, cross-platform app store that indexes installable releases from GitHub (and Codeberg/Forgejo), letting u… | 78 | 17976 | active |
| ben-manes/caffeine Caffeine is a high-performance, near-optimal in-memory caching library for Java with a Guava-inspired API. It supports size-based eviction,… | 85 | 17834 | stable |
| infinilabs/analysis-ik The IK Analysis plugin integrates the Lucene IK analyzer into Elasticsearch and OpenSearch, providing Chinese text tokenization via the ik_… | 63 | 17515 | active |
| justauth/JustAuth JustAuth is a small, comprehensive Java library for third-party OAuth2 authorization login. It integrates dozens of domestic and internatio… | 57 | 17496 | stable |
| MyBatis-Plus MyBatis-Plus is an enhancement toolkit for the MyBatis ORM framework on the JVM, providing out-of-the-box CRUD interfaces, conditional quer… | 91 | 17462 | stable |
| openzipkin/zipkin Zipkin is a distributed tracing system that collects and stores timing data from instrumented applications to help troubleshoot latency in … | 86 | 17453 | stable |
| alibaba/DataX DataX is Alibaba's open-source offline data synchronization framework, the open version of Alibaba Cloud DataWorks data integration. It syn… | 64 | 17328 | stable |
| facebook/fresco Fresco is Facebook's Android library for loading, displaying, and managing images in mobile applications. It handles the full image pipelin… | 91 | 17159 | stable |
| Neo4j Neo4j is the leading open-source native graph database, storing and querying connected data as nodes and relationships using the Cypher que… | 67 | 17141 | stable |
| woltapp/blurhash BlurHash is a compact algorithm and multi-language library that encodes an image into a short 20-30 character string representing a blurred… | 32 | 17069 | stable |
| prestodb/presto Presto is a distributed SQL query engine for running interactive queries against large datasets across heterogeneous data sources such as H… | 96 | 16724 | stable |
| Hyperledger Fabric Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework written in Go for building blockchain solutions and app… | 96 | 16703 | stable |
| iamgio/quarkdown Quarkdown is a modern Markdown-based typesetting system written in Kotlin that compiles Markdown with scripting extensions into papers, pre… | 92 | 16027 | active |
| Quarkus Quarkus is a cloud-native Java framework optimized for containers and Kubernetes, offering fast startup, low memory footprint, and GraalVM … | 95 | 15848 | stable |
| zaproxy/zaproxy Zed Attack Proxy (ZAP) by Checkmarx is a free, open-source web application security scanner used for finding vulnerabilities in web apps du… | 78 | 15686 | stable |
| apache/hadoop Apache Hadoop is an open-source framework for reliable, scalable distributed storage (HDFS) and processing (MapReduce, YARN) of large data … | 77 | 15640 | stable |
| Konloch/bytecode-viewer Bytecode Viewer is a free, open-source Java and Android APK reverse engineering suite that bundles six Java decompilers, bytecode disassemb… | 73 | 15614 | active |
| Mockito Mockito is the most popular mocking framework for unit tests written in Java, with a clean API for creating test doubles and verifying inte… | 90 | 15448 | stable |
| apache/pulsar Apache Pulsar is a cloud-native, distributed pub-sub messaging and streaming platform originally developed at Yahoo and now a top-level Apa… | 98 | 15315 | stable |
| supertokens/supertokens-core SuperTokens Core is the open-source HTTP service at the heart of the SuperTokens authentication platform, handling core auth logic and data… | 94 | 15282 | active |
| theonedev/onedev OneDev is a self-hosted, unified DevOps platform combining Git server, issue tracking with Kanban boards, pull request review, CI/CD pipeli… | 95 | 15183 | active |
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