platform: jvm
3641 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| sannies/mp4parser A Java library for reading, writing, and creating MP4 container files. It manipulates the container structure (muxing, appending, metadata,… | 23 | 2800 | stable |
| ssssssss-team/spider-flow Spider-Flow is a self-hosted Java-based web crawler platform that lets users define scraping workflows visually as flowcharts without writi… | 23 | 11352 | maintenance |
| BlueMap-Minecraft/BlueMap BlueMap is a Java-based tool that reads Minecraft world files and generates 3D models of the world surface, viewable in a browser via a bui… | 98 | 2796 | active |
| jenkinsci/configuration-as-code-plugin The Jenkins Configuration as Code (JCasC) plugin lets administrators configure Jenkins controllers and plugins via human-readable declarati… | 98 | 2795 | active |
| bucket4j/bucket4j Bucket4j is a Java rate-limiting library based on the token-bucket algorithm, offering lock-free, high-precision integer arithmetic impleme… | 88 | 2790 | stable |
| google/truth Truth is a fluent assertion library for Java and Android tests, maintained by the Guava team and used widely in Google's codebase. It provi… | 69 | 2787 | stable |
| com-lihaoyi/mill Mill is a JVM build tool for Java, Scala, and Kotlin, designed to be simpler than Maven and easier than Gradle. It offers 3-7x faster devel… | 98 | 2783 | active |
| http4k/http4k http4k is a lightweight, functional HTTP toolkit for Kotlin where applications are just functions from Request to Response, with no annotat… | 95 | 2783 | stable |
| nekomangaorg/Neko Neko is a free, open-source unofficial manga reader app for MangaDex on Android 8+. It is a Tachiyomi/J2K fork with native MangaDex login, … | 94 | 2780 | active |
| pedestal/pedestal Pedestal is a set of Clojure libraries for building server-side services, APIs, and web applications on the JVM. It provides an interceptor… | 63 | 2779 | active |
| Geniusay/ChopperBot ChopperBot is a fully automated AI bot that monitors popular live streams across platforms like Douyu, Huya, Bilibili, Douyin, and Twitch, … | 45 | 2779 | active |
| reactor/reactor-netty Reactor Netty is a JVM library providing non-blocking, backpressure-ready TCP, HTTP, UDP, and QUIC clients and servers built on the Netty f… | 99 | 2778 | active |
| mouzt/mzt-biz-log A Spring Boot annotation-based operation/audit logging library that records who did what, when, to which entity. It supports SpEL variables… | 51 | 2777 | active |
| opensolon/solon Solon is a Java enterprise application development framework built from scratch as a lighter, faster alternative to Spring Boot/Spring Clou… | 95 | 2774 | active |
| erupts/erupt Erupt is an annotation-driven Java framework for Spring Boot that turns annotated JPA entity classes into full-featured admin pages with ze… | 95 | 2763 | active |
| manifold-systems/manifold Manifold is a Java compiler plugin that extends the Java language at compile time with features like extension methods, properties, operato… | 76 | 2759 | active |
| permissions-dispatcher/PermissionsDispatcher PermissionsDispatcher is an annotation-based library for handling Android runtime permissions in Kotlin and Java. It generates boilerplate-… | 23 | 11158 | maintenance |
| jiangdongguo/AndroidUSBCamera AUSBC (AndroidUSBCamera) is a flexible UVC (USB video class) camera engine for Android, refactored in Kotlin with native C components. It s… | 23 | 2750 | active |
| lingochamp/FileDownloader FileDownloader is an Android multi-task file download engine written in Java, supporting multi-threaded connections, breakpoint-resume, and… | 23 | 11123 | maintenance |
| JakeWharton/mosaic Mosaic is a Kotlin library for building terminal (console) UIs using the Jetpack Compose compiler and runtime, inspired by Ink. It lets dev… | 76 | 2747 | active |
| EVV1E/waylandcraft A Fabric mod for Minecraft that implements a Wayland compositor, letting users run real Linux desktop applications inside the Minecraft gam… | 81 | 2742 | active |
| xuchengsheng/wx-dump-4j A Java-based WeChat data analysis tool that reads, backs up, and manages WeChat chat history. It uses JNA to access WeChat process data and… | 22 | 2742 | active |
| pf4j/pf4j PF4J is a lightweight (~100KB) plugin framework for Java that lets applications load, start, and stop third-party plugins implementing decl… | 95 | 2740 | stable |
| asLody/VirtualApp VirtualApp is an Android virtualization/sandbox engine that lets apps run inside a host app without being installed on the system, acting a… | 75 | 11070 | maintenance |
| flix/flix Flix is a statically typed, effect-oriented programming language that combines functional, imperative, and logic programming paradigms, dev… | 99 | 2734 | active |
| JPressProjects/jpress JPress is an open-source, WordPress-like content management system written in Java, used to power 100,000+ websites including government ag… | 23 | 2732 | stable |
| Audiveris/audiveris Audiveris is an open-source Optical Music Recognition (OMR) application that transcribes scanned sheet music images into symbolic music dat… | 97 | 2727 | active |
| opentripplanner/OpenTripPlanner OpenTripPlanner is an open-source, server-side Java application for multi-modal trip planning, computing itineraries that combine public tr… | 82 | 2722 | stable |
| twitter/util Twitter Util is a collection of small, idiomatic, general-purpose JVM libraries written in Scala, including concurrency primitives (a non-a… | 48 | 2719 | stable |
| JsonChao/Awesome-WanAndroid A polished Android client app for the WanAndroid technical learning website, built with Material Design and an MVP architecture. It showcas… | 58 | 2715 | stable |
| zinja-coder/jadx-ai-mcp A JADX plugin that bundles an MCP server, allowing LLM clients like Claude to interact with the JADX decompiler for Android APK analysis. I… | 84 | 2711 | active |
| huaban/jieba-analysis A Java port of the popular jieba Chinese word segmentation library, supporting search and index segmentation modes, user dictionaries, and … | 32 | 2709 | active |
| quik-sms/quik QUIK is an open-source SMS messenger app for Android, a revived continuation of QKSMS. It replaces the stock messaging app with features li… | 87 | 2708 | active |
| redbadger/crux Crux is a Rust framework for cross-platform app development that shares business logic in a single Rust core across iOS, Android, and web. … | 98 | 2705 | active |
| Naccl/NBlog NBlog is a self-hosted, front-end/back-end separated personal blog system built with Spring Boot (Java) and Vue. It includes a public blog … | 50 | 2704 | active |
| Kong/unirest-java Unirest is a lightweight, fluent HTTP client library for Java supporting HTTP/1 and HTTP/2, WebSockets, JSON mapping via Jackson or GSON, a… | 95 | 2702 | active |
| sepinf-inc/IPED IPED is an open source digital forensic tool developed by the Brazilian Federal Police for processing and analyzing digital evidence from d… | 83 | 2701 | active |
| yzcheng90/x-springboot X-SpringBoot is a lightweight Java rapid development platform built on Spring Boot 3 and JDK 21 with virtual threads, offering RBAC permiss… | 57 | 2692 | active |
| sameerasw/essentials Essentials is an Android app offering 25+ power-user tools, mods, and workarounds for Google Pixels and other Android devices, built with K… | 83 | 2689 | active |
| paulpacifico/shutter-encoder Shutter Encoder is a free, open-source GUI application for video, audio, and image transcoding built on FFmpeg, aimed at video editors and … | 92 | 2688 | active |
| bonigarcia/webdrivermanager WebDriverManager is an open-source Java library that automates the management (download, setup, and maintenance) of browser drivers require… | 91 | 2686 | stable |
| i2p/i2p.i2p I2P (Invisible Internet Project) is the reference Java implementation of a decentralized, anonymizing peer-to-peer overlay network that rou… | 89 | 2685 | stable |
| Bouncy Castle Bouncy Castle is a comprehensive open-source cryptographic library for Java (and C#/.NET) implementing a wide range of algorithms, a JCA/JC… | 77 | 2683 | stable |
| IacobIonut01/ReFra ReFra is a free and open-source media gallery app for Android built with Jetpack Compose and Kotlin. It offers photo and video browsing and… | 97 | 2680 | active |
| elixir-broadway/broadway Broadway is an Elixir library for building concurrent, multi-stage data ingestion and processing pipelines on top of GenStage. It provides … | 75 | 2677 | stable |
| openjdk/jmh JMH is the Java Microbenchmark Harness, a tool for building, running, and analysing nano/micro/milli/macro benchmarks on the JVM. It genera… | 74 | 2671 | stable |
| weixiansen574/HybridFileXfer A hybrid file transfer tool that transfers files between an Android phone and a computer simultaneously over multiple I/O channels such as … | 66 | 2671 | active |
| vladmihalcea/hypersistence-utils Hypersistence Utils (formerly Hibernate Types) is a Java library providing extra Hibernate custom types and Spring utilities for the data a… | 76 | 2668 | active |
| divkit/divkit DivKit is an open-source Server-Driven UI (SDUI) framework that renders UI from JSON descriptions supplied by a server. It lets you write a… | 95 | 2664 | active |
| slick/slick Slick is a strongly-typed database query and access library for Scala that lets you work with relational databases as if they were Scala co… | 70 | 2664 | active |
| jitpack/jitpack.io JitPack is a package repository for JVM and Android projects that builds Git projects on demand and serves ready-to-use artifacts (jar, aar… | 62 | 2663 | stable |
| mybatis-flex/mybatis-flex MyBatis-Flex is a lightweight enhancement framework for MyBatis that adds fluent QueryWrapper-based CRUD, pagination, multi-table queries, … | 92 | 2661 | active |
| mongodb/mongo-java-driver The official MongoDB drivers for the JVM, providing APIs for Java, Kotlin (including coroutines), and Scala to connect to and work with Mon… | 99 | 2659 | stable |
| 1Panel-dev/CordysCRM Cordys CRM is an open-source AI-powered customer relationship management system by Fit2Cloud, covering the full lead-to-cash (L2C) sales li… | 83 | 2656 | active |
| apache/casbin-jcasbin jCasbin is an Apache-licensed Java authorization library that enforces access control using models such as ACL, RBAC, and ABAC defined in c… | 88 | 2652 | stable |
| scalatra/scalatra Scalatra is a tiny, Sinatra-inspired web micro-framework for Scala that runs on the JVM. It lets developers build high-performance, asynchr… | 76 | 2650 | active |
| eclipse-collections/eclipse-collections Eclipse Collections is a comprehensive collections framework for Java offering optimized data structures like Bag and primitive collections… | 78 | 2648 | stable |
| devopshydclub/vprofile-project A Java Spring MVC web application (vProfile) used as a sample multi-tier project for DevOps training by DevOps Shack. It serves as a practi… | 35 | 2645 | active |
| vsch/flexmark-java flexmark-java is a fast, extensible Java parser for CommonMark/Markdown that produces a source-position-aware AST and renders HTML, with em… | 39 | 2640 | stable |
| Card-Forge/forge Forge is an open-source, unofficial rules engine for Magic: The Gathering built in Java, letting players play against AI opponents across m… | 94 | 2638 | active |
| jeasonlzy/okhttp-OkGo OkGo is an Android network request library built on top of OkHttp, offering a simpler RESTful-style API than Retrofit. It supports RxJava/R… | 23 | 10560 | maintenance |
| Sonatype Nexus Repository Sonatype Nexus Repository is a binary repository manager that serves as the single source of truth for internal and third-party build artif… | 99 | 2628 | stable |
| spotify/scio Scio is a Scala API for Apache Beam and Google Cloud Dataflow, inspired by Apache Spark and Scalding. It provides a unified batch and strea… | 96 | 2628 | active |
| OpenLineage/OpenLineage OpenLineage is an open standard and framework for collecting data lineage metadata, defining a generic model of jobs, runs, and datasets wi… | 97 | 2626 | active |
| http4s/http4s Http4s is a minimal, idiomatic Scala library for building HTTP servers and clients, serving as Scala's equivalent to Rack, WSGI, WAI, and S… | 93 | 2626 | stable |
| cym1102/nginxWebUI nginxWebUI is a self-hosted web application for graphically configuring and managing Nginx, covering reverse proxy, load balancing, TCP/str… | 93 | 2624 | active |
| redplanetlabs/specter Specter is a Clojure/ClojureScript library for querying and transforming immutable nested and recursive data structures via composable 'nav… | 52 | 2622 | stable |
| libgdx/packr Packr bundles your JAR, assets, and a JVM into a native executable for Windows, Linux, and macOS so Java apps look and launch like native a… | 23 | 2621 | active |
| SummerSec/ShiroAttack2 A Java-based exploitation tool for the Apache Shiro-550 rememberMe deserialization vulnerability, offering both a JavaFX GUI and a CLI. It … | 88 | 2619 | active |
| cashapp/paparazzi Paparazzi is a Kotlin library from Cash App that renders Android views and Jetpack Compose screens as snapshots inside plain JVM tests, wit… | 86 | 2619 | active |
| VerbalExpressions/JavaVerbalExpressions A Java library providing a fluent builder API for constructing regular expressions in readable, chainable code instead of raw regex strings… | 66 | 2618 | stable |
| cat3399/blbl A third-party native Android client for Bilibili written in Kotlin, supporting touch and remote-control input down to Android 5. It targets… | 10 | 2616 | active |
| mabe02/lanterna Lanterna is a pure-Java library for building text-based semi-graphical user interfaces (TUIs) in terminal environments, similar to the C cu… | 73 | 2615 | stable |
| lipangit/JiaoZiVideoPlayer JiaoZiVideoPlayer is a highly customizable Android video player library that wraps MediaPlayer, ExoPlayer, and IjkPlayer (FFmpeg-based) beh… | 10 | 10479 | maintenance |
| open-telemetry/opentelemetry-java-instrumentation OpenTelemetry auto-instrumentation for Java, providing a Java agent JAR that attaches to any Java 8+ application and injects bytecode to ca… | 99 | 2612 | active |
| HotswapProjects/HotswapAgent HotswapAgent is a Java agent providing unlimited runtime class and resource redefinition, enabling real-time code changes without applicati… | 77 | 2611 | active |
| aws/aws-sdk-java-v2 The official AWS SDK for Java, version 2, enabling Java applications to interact with Amazon Web Services such as S3, EC2, and DynamoDB. It… | 95 | 2610 | stable |
| risesoft-y9/Digital-Infrastructure Digital-Infrastructure (数字底座) is a Java/Spring Boot + Vue 3 rapid development platform for large government and enterprise digital transfor… | 75 | 2608 | active |
| tbruyelle/RxPermissions An Android library that wraps the Android M runtime permission model in RxJava2 reactive streams. It lets developers request permissions li… | 10 | 10403 | maintenance |
| clj-commons/aleph Aleph is a Clojure library for asynchronous network communication built on Netty, providing an HTTP server and client plus raw TCP and UDP … | 77 | 2590 | active |
| LouisCAD/Splitties Splitties is a collection of small, modular Kotlin multiplatform libraries (Android-first) that provide hand-crafted extensions and DSLs to… | 23 | 2582 | active |
| lealone/Lealone Lealone is a Java-based full-stack, self-evolving general-purpose AI agent built on top of a high-performance NewSQL/RDBMS engine with asyn… | 67 | 2581 | active |
| ahmedeltaher/Android-MVVM-Architecture-Android-Voice-AI-SDK A reusable Android library (Kotlin, MVVM) that provides a full voice-driven AI conversation pipeline: microphone capture with VAD, speech-t… | 70 | 2578 | active |
| dromara/RuoYi-Vue-Plus RuoYi-Vue-Plus is a multi-tenant Java admin management system that rewrites RuoYi-Vue for distributed cluster scenarios, integrating Sa-Tok… | 94 | 2576 | active |
| nelenkov/android-backup-extractor A Java command-line utility that extracts and repacks Android backup archives created with adb backup, based on AOSP's BackupManagerService… | 86 | 2576 | active |
| skydoves/landscapist Landscapist is a pluggable, highly optimized image loading library for Jetpack Compose and Kotlin Multiplatform that fetches and displays n… | 96 | 2575 | active |
| Azure/azure-sdk-for-java The official Azure SDK for Java, providing client and management libraries for consuming and administering Azure services. It follows the A… | 95 | 2565 | active |
| firebase/firebase-android-sdk The official Firebase Android SDK, containing the source code for Firebase's Android libraries such as Firestore, Realtime Database, Cloud … | 77 | 2565 | active |
| http-kit/http-kit http-kit is a minimalist, high-performance, event-driven HTTP client and server for Clojure, fully Ring-compatible as a drop-in replacement… | 68 | 2565 | stable |
| JessYanCoding/MVPArms MVPArms is a highly configurable Android application framework built on the MVP (Model-View-Presenter) architecture, integrating popular li… | 23 | 10239 | maintenance |
| sismics/docs Teedy (formerly Sismics Docs) is an open-source, lightweight document management system (DMS) for individuals and businesses. It offers OCR… | 67 | 2561 | active |
| google/jimfs Jimfs is an in-memory file system for Java 8+ that implements the java.nio.file abstract file system APIs. It lets code create and use virt… | 87 | 2557 | stable |
| spring-ai-alibaba/DataAgent An enterprise-grade AI data analyst agent built on Spring AI Alibaba Graph that converts natural language to SQL, runs Python deep analysis… | 83 | 2550 | active |
| circe/circe circe is a JSON library for Scala and Scala.js providing a JSON AST, encoders/decoders (codecs), and automatic derivation for case classes … | 90 | 2542 | stable |
| logfellow/logstash-logback-encoder A Java library providing Logback encoders, layouts, and appenders for logging in JSON and other Jackson-supported formats. Originally built… | 69 | 2529 | active |
| pwittchen/ReactiveNetwork ReactiveNetwork is an Android library for observing network connection state and Internet connectivity via RxJava Observables. It supports … | 23 | 2523 | active |
| pac4j/pac4j pac4j is a Java security engine for authenticating users, managing profiles, and enforcing authorizations across web applications and servi… | 77 | 2521 | stable |
| qos-ch/slf4j SLF4J is a simple facade/abstraction for various Java logging frameworks such as java.util.logging, logback, log4j 2.x, reload4j, and tinyl… | 82 | 2519 | stable |
| geekidea/spring-boot-plus Spring-Boot-Plus is an open-source Spring Boot scaffolding framework that integrates common backend development components such as MyBatis-… | 37 | 2518 | active |
| sofastack/sofa-bolt SOFABolt is a lightweight, high-performance network remoting framework for Java built on Netty, developed by Ant Financial. It provides con… | 70 | 2503 | stable |