Open-source jvm software
3686 open-source libraries, tools and applications tagged jvm, ranked by how closely jvm is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
3686 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Playwright Playwright is a framework for web testing and browser automation that drives Chromium, Firefox, and WebKit through a single API, available … | 96 | 96681 | stable |
| mall Mall is a complete Java-based e‑commerce system that provides both a front‑end shopping portal and a back‑office admin console. It is built… | 65 | 84934 | active |
| spring-projects/spring-boot Spring Boot is an opinionated framework for building stand-alone, production-grade Spring-based Java applications with minimal configuratio… | 96 | 81530 | stable |
| NationalSecurityAgency/ghidra Ghidra is a software reverse engineering framework built by the NSA that includes a suite of tools for disassembly, decompilation, graphing… | 93 | 79309 | stable |
| Elasticsearch Elasticsearch is a free and open source, distributed, RESTful search and analytics engine built on Apache Lucene. It stores structured, uns… | 95 | 78300 | 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… | 46 | 73957 | active |
| spring-projects/spring-framework Spring Framework is the foundational application framework for Java-based enterprise applications, providing dependency injection, AOP, tra… | 96 | 60263 | stable |
| Kotlin Kotlin is a statically typed programming language developed by JetBrains that compiles to JVM bytecode, JavaScript, WebAssembly, and native… | 95 | 53481 | stable |
| LlamaIndex LlamaIndex is an open‑source framework for building LLM‑powered applications that ingest, parse, and index documents. It provides tools for… | 93 | 52325 | active |
| dbeaver/dbeaver DBeaver is a free, open‑source universal database management tool with a graphical UI. It supports hundreds of databases via JDBC/ODBC and … | 99 | 52011 | active |
| google/guava Guava is a set of core Java libraries from Google providing utilities for collections, caching, concurrency, I/O, hashing, and more. It is … | 98 | 51923 | active |
| JeecgBoot JeecgBoot is an enterprise‑grade AI‑enhanced low‑code platform that can generate full‑stack applications from natural language descriptions… | 93 | 48244 | active |
| ReactiveX/RxJava RxJava is a JVM implementation of Reactive Extensions, a library for composing asynchronous and event-based programs using observable seque… | 94 | 48192 | 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 | 47090 | stable |
| Apache Spark Apache Spark is a unified analytics engine for large-scale data processing that provides high‑level APIs in Scala, Java, Python, and R. It … | 77 | 44159 | active |
| 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 | 44159 | 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 Dubbo Apache Dubbo is a Java‑based RPC and microservice framework that provides service discovery, traffic governance, observability, and securit… | 86 | 41580 | active |
| Apache Dubbo Apache Dubbo is a high-performance RPC and microservice framework for Java (with multi-language SDKs) that provides service discovery, traf… | 86 | 41580 | stable |
| Halo Halo is a powerful and easy-to-use open-source website building tool (CMS) written in Java, supporting blogs, knowledge bases, corporate si… | 100 | 39944 | active |
| yudao (ruoyi-vue-pro) Yudao Ruoyi Vue Pro is a full‑stack, open‑source admin platform built with Spring Boot, MyBatis Plus and Vue. It provides a rich set of ent… | 98 | 39530 | active |
| MPAndroidChart MPAndroidChart is an Android library that provides a wide range of chart types and interactive features. It enables developers to embed lin… | 84 | 38170 | active |
| alibaba/arthas Arthas is an open‑source Java diagnostic tool that lets developers troubleshoot live applications without restarting or modifying code. It … | 96 | 37569 | active |
| doocs/leetcode A comprehensive repository of LeetCode, Offer, and interview question solutions implemented in many programming languages. It serves as a r… | 67 | 36676 | active |
| Netty Netty is an asynchronous event‑driven network application framework written in Java. It provides a flexible, high‑performance foundation fo… | 96 | 35065 | active |
| Netty Netty is an asynchronous event-driven network application framework for the JVM, enabling rapid development of high-performance protocol se… | 96 | 35065 | 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… | 94 | 35014 | stable |
| Selenium Selenium is an open‑source umbrella project that provides tools and libraries for automating web browsers. It implements the W3C WebDriver … | 100 | 34559 | active |
| Apache Kafka Apache Kafka is an open-source distributed event streaming platform that provides durable, high‑throughput messaging. It enables real‑time … | 76 | 33918 | active |
| Apache Kafka Apache Kafka is an open-source distributed event streaming platform for building high-performance data pipelines, streaming analytics, and … | 76 | 33918 | stable |
| AndroidUtilCode AndroidUtilCode is a comprehensive Java library that provides a wide range of utility functions for Android development. It bundles common … | 23 | 33618 | active |
| binarywang/WxJava WxJava is a comprehensive Java SDK for WeChat backend development, covering WeChat Pay, Mini Programs, Official Accounts, Open Platform, En… | 72 | 33138 | active |
| Conductor Conductor is an open‑source, event‑driven workflow engine that provides durable, resilient execution for microservices and AI agents. It of… | 93 | 32278 | active |
| Conductor Conductor is an open-source durable execution and workflow orchestration engine for microservices, event-driven workflows, and AI agents, o… | 93 | 32278 | active |
| alibaba/p3c P3C is a collection of Alibaba Java coding guidelines implemented as PMD rules and IDE plugins. It helps enforce best practices and catch c… | 32 | 30851 | 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… | 31 | 30654 | 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 … | 88 | 30600 | 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… | 90 | 30371 | active |
| Hutool Hutool is a comprehensive Java utility library that provides ready‑to‑use helpers for HTTP, JSON, database access, file I/O, logging, date … | 95 | 30254 | active |
| Hutool Hutool is a comprehensive Java utility library that wraps common JDK operations into convenient static helper classes. It covers strings, c… | 95 | 30254 | 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 … | 66 | 30055 | active |
| LeakCanary LeakCanary is a memory leak detection library for Android that automatically detects and analyzes memory leaks in Android applications. It … | 82 | 30000 | active |
| Kestra Kestra is an open‑source, event‑driven orchestration and scheduling platform written in Java. It lets you define, run and monitor complex d… | 95 | 29837 | active |
| Kestra Kestra is an open-source, event-driven orchestration and scheduling platform for data, AI, and infrastructure workflows, written in Java. I… | 95 | 29837 | stable |
| Apollo Apollo is a reliable, centralized configuration management system for microservice environments. It provides real‑time hot‑release of confi… | 90 | 29817 | active |
| Apollo Apollo is a reliable, centralized configuration management system for microservices, built on Spring Boot and Spring Cloud. It provides a w… | 90 | 29817 | stable |
| OpenDataLoader PDF OpenDataLoader PDF is an open‑source PDF parsing library that converts PDFs into AI‑ready formats such as Markdown, JSON with bounding boxe… | 83 | 29741 | active |
| alibaba/canal Canal is an Alibaba open-source component that parses MySQL binlog to provide incremental data subscription and consumption. It masquerades… | 62 | 29740 | stable |
| Mindustry Mindustry is an open-source sandbox tower-defense and real-time strategy game written in Java, featuring resource automation, factory build… | 99 | 29401 | active |
| alibaba/spring-cloud-alibaba Spring Cloud Alibaba is a Java-based framework that extends Spring Cloud with Alibaba middleware components. It provides out‑of‑the‑box sol… | 86 | 29172 | active |
| XGBoost XGBoost is an optimized, scalable gradient boosting library written in C++ with bindings for Python, R, Java, Scala and other languages. It… | 94 | 28887 | active |
| XGBoost XGBoost is an optimized, scalable gradient boosting library implementing parallel tree boosting (GBDT/GBM) with bindings for Python, R, Jav… | 94 | 28887 | stable |
| Semantic Kernel Semantic Kernel is a model‑agnostic SDK that lets developers integrate large language models and build AI agents quickly. It provides tools… | 90 | 28582 | active |
| alibaba/druid Alibaba Druid is a high‑performance Java database connection pool that also provides a powerful SQL parser and security firewall. It includ… | 71 | 28170 | active |
| 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 | 28025 | active |
| 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… | 83 | 26923 | active |
| OpenAPI Generator OpenAPI Generator is a Java‑based tool that automatically creates API client libraries, server stubs, documentation, and configuration from… | 91 | 26758 | active |
| Jenkins Jenkins is an open‑source automation server that orchestrates building, testing, and deploying software. It is highly extensible via thousa… | 95 | 26671 | active |
| Jenkins Jenkins is the leading open-source automation server, built in Java, used for continuous integration and continuous delivery of software. I… | 95 | 26671 | stable |
| Apache Flink Apache Flink is an open‑source distributed processing engine for stateful computations over unbounded and bounded data streams. It provides… | 77 | 26413 | active |
| Apache Flink Apache Flink is an open-source distributed stream processing framework for stateful computations over unbounded and bounded data streams, w… | 77 | 26413 | stable |
| Apache Seata Apache Seata is an open‑source distributed transaction framework for microservices. It provides multiple transaction modes (AT, TCC, SAGA, … | 77 | 26008 | active |
| Apache Seata Apache Seata (incubating) is an open-source, high-performance distributed transaction solution for microservices architectures. It provides… | 77 | 26008 | stable |
| Apktool Apktool is a Java-based command-line tool for reverse engineering Android APK files. It decodes resources and manifest files to nearly orig… | 90 | 25958 | stable |
| libgdx/libgdx libGDX is a cross‑platform Java game development framework that abstracts OpenGL (ES) for Windows, Linux, macOS, Android, iOS, and HTML5. I… | 84 | 25454 | active |
| scwang90/SmartRefreshLayout SmartRefreshLayout is an Android UI library that provides a highly customizable pull‑to‑refresh and load‑more layout. It supports multiple … | 34 | 25114 | active |
| Apache SkyWalking Apache SkyWalking is an open-source APM (Application Performance Monitoring) platform for microservices, cloud-native, and container-based … | 88 | 24968 | stable |
| greenrobot/EventBus EventBus is a lightweight publish/subscribe event bus for Android and Java. It enables decoupled communication between components such as A… | 23 | 24688 | active |
| CymChad/BaseRecyclerViewAdapterHelper BaseRecyclerViewAdapterHelper (BRVAH) is an Android library that provides a powerful and flexible RecyclerView adapter framework. It simpli… | 86 | 24570 | active |
| Redisson Redisson is a Java client and real‑time data platform for Redis and Valkey. It provides thread‑safe distributed objects, caches, locks, que… | 94 | 24402 | active |
| 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… | 94 | 24402 | stable |
| 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… | 88 | 23723 | active |
| openjdk/jdk The main-line development repository for the OpenJDK, the open-source implementation of the Java Platform, Standard Edition. It contains th… | 77 | 23443 | active |
| Wechaty Wechaty is an open‑source Conversational RPA SDK for building chatbots on instant‑messaging platforms. It provides a unified API and plugga… | 45 | 23348 | active |
| Sentinel Sentinel is a flow control and reliability library for microservices, providing rate limiting, traffic shaping, concurrency limiting, circu… | 70 | 23144 | stable |
| Apache RocketMQ Apache RocketMQ is a distributed cloud-native messaging and streaming platform built for low-latency, high-throughput, financially reliable… | 88 | 22629 | stable |
| JHipster JHipster is a Yeoman-based development platform that scaffolds complete full-stack web applications and microservice architectures, combini… | 94 | 22465 | stable |
| android/nowinandroid Now in Android is a fully functional Android news app built entirely with Kotlin and Jetpack Compose, demonstrating official Android archit… | 68 | 21939 | active |
| EL-ADMIN 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… | 56 | 21905 | active |
| Agent Development Kit (ADK) The Agent Development Kit (ADK) is an open‑source, code‑first SDK for building, evaluating, and deploying AI agents across multiple languag… | 83 | 21903 | active |
| oracle/graal GraalVM is a high‑performance polyglot virtual machine that can compile Java (and other languages) ahead‑of‑time into native executables. I… | 66 | 21715 | active |
| CarGuo/GSYVideoPlayer A comprehensive Android video player library that wraps IJKPlayer, Media3 (ExoPlayer), MediaPlayer, and AliPlayer behind a unified API. It … | 96 | 21507 | active |
| HikariCP HikariCP is a lightweight, high‑performance JDBC connection pool for Java applications. It provides fast, reliable pooling with minimal ove… | 68 | 21240 | active |
| HikariCP HikariCP is a lightweight, high-performance JDBC connection pool for Java applications. It is a production-ready, 'zero-overhead' library w… | 68 | 21240 | stable |
| Apache ShardingSphere Apache ShardingSphere is an open‑source distributed database ecosystem that provides sharding, read/write splitting, encryption, and distri… | 77 | 20808 | active |
| Apache ShardingSphere Apache ShardingSphere is an enterprise distributed database ecosystem that turns heterogeneous databases (MySQL, PostgreSQL, etc.) into a d… | 77 | 20808 | stable |
| 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… | 77 | 20445 | stable |
| Apache Casbin Apache Casbin is an open‑source authorization library that enforces access control policies across multiple programming languages. It suppo… | 96 | 20433 | active |
| 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… | 96 | 20433 | 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… | 63 | 20389 | 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… | 59 | 19943 | active |
| Compose Multiplatform Compose Multiplatform is a declarative UI framework for Kotlin that enables sharing UI code across Android, iOS, desktop, and web platforms… | 100 | 19429 | active |
| Compose Multiplatform Compose Multiplatform is a declarative UI framework by JetBrains, based on Jetpack Compose, for sharing UI code across Android, iOS, deskto… | 100 | 19429 | stable |
| dromara/Sa-Token Sa-Token is a lightweight Java authentication and authorization library that provides login, permission, SSO, OAuth2 and token management o… | 91 | 19071 | active |
| 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… | 49 | 19024 | stable |
| dianping/cat CAT is a real-time application monitoring (APM) platform developed in Java at Meituan-Dianping, providing performance metrics, health statu… | 23 | 18938 | active |
| react/yoga Yoga is a high‑performance, embeddable Flexbox layout engine written in C++. It provides a C API and language bindings so it can be used fr… | 77 | 18920 | active |
| Gradle Build Tool Gradle is an open-source build automation tool with declarative DSLs in Kotlin and Groovy, incremental builds, build caching, and a rich pl… | 99 | 18897 | stable |
| Baseflow/PhotoView PhotoView is an Android library that provides a drop‑in ImageView with built‑in pinch‑to‑zoom, double‑tap zoom and smooth scrolling. It int… | 23 | 18804 | 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… | 26 | 18487 | stable |
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