platform: jvm
3641 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| AChep/keyguard-app Keyguard is a multiplatform password manager client for the Bitwarden platform and KeePass (KDBX) files, built with Kotlin and Jetpack Comp… | 91 | 3203 | active |
| docker-java/docker-java docker-java is a Java client library for the Docker Engine API, allowing Java applications to manage Docker containers, images, and other D… | 87 | 3201 | active |
| Wisser/Jailer Jailer is a Java-based tool for database subsetting and relational data browsing. It extracts small, referentially intact slices of product… | 99 | 3194 | active |
| apache/gravitino Apache Gravitino is a high-performance, geo-distributed, federated metadata lake that provides unified metadata management across diverse d… | 89 | 3188 | active |
| wildfly/wildfly WildFly is an open-source, modular, lightweight Jakarta EE and MicroProfile application server for running enterprise Java applications. It… | 95 | 3186 | active |
| RuoYi-Vue RuoYi-Vue is a full-stack, front-end/back-end separated admin and permission management system built on Spring Boot, Spring Security, JWT, … | 83 | 3184 | active |
| smartloli/EFAK EFAK (Eagle For Apache Kafka) is an open-source, AI-enhanced monitoring and management platform for Kafka clusters, built on Spring Boot 3.… | 58 | 3179 | active |
| wuseal/JsonToKotlinClass An IntelliJ IDEA and Android Studio plugin that generates Kotlin data class code from JSON strings, with support for annotations like Gson,… | 36 | 3179 | active |
| LaurieWired/Malimite Malimite is a Java-based decompiler for iOS and macOS binaries, built on Ghidra, that analyzes IPA files and Application Bundles with direc… | 38 | 3174 | active |
| apache/curator Apache Curator is a high-level Java/JVM client library for Apache ZooKeeper, a distributed coordination service. It provides a simplified A… | 68 | 3172 | stable |
| pxb1988/dex2jar dex2jar is a set of Java-based command-line tools for working with Android .dex and Java .class files. It converts Dalvik executables (e.g.… | 23 | 13135 | maintenance |
| itwanger/paicoding Paicoding (技术派) is an open-source community/forum platform built on Spring Boot, MyBatis-Plus, MySQL, Redis, Elasticsearch, MongoDB, Rabbit… | 77 | 3163 | active |
| patrykandpatrick/vico Vico is a powerful and extensible chart library for Compose Multiplatform, supporting line, column, candlestick, and pie charts. It offers … | 99 | 3157 | active |
| apache/hugegraph Apache HugeGraph is a fast, highly scalable graph database supporting tens of billions of vertices and edges with OLTP real-time queries vi… | 73 | 3157 | active |
| FabricMC/fabric-api Fabric API is the essential hooks and interoperability library for Minecraft mods built on the Fabric mod loader. It exposes events, APIs f… | 95 | 3152 | active |
| Nuvio Nuvio is a free, open-source media app for Android, iOS, desktop, and TV that lets users bring their own content sources and turns them int… | 82 | 3145 | active |
| qaiu/netdisk-fast-download A Java (Vert.x 4, JDK 17+) service that converts cloud drive share links (Lanzou, 123pan, Feijipan, Quark, UC, OneDrive, etc.) into direct … | 96 | 3138 | active |
| The Sleuth Kit Autopsy is a Java-based digital forensics platform providing a graphical interface to The Sleuth Kit and other open-source forensic tools f… | 81 | 3137 | active |
| egzosn/pay-java-parent A lightweight Java SDK that aggregates third-party payment integrations including WeChat Pay, Alipay, UnionPay, PayPal, Payoneer, Fuiou, an… | 60 | 3133 | active |
| petergoldstein/dalli Dalli is a high-performance pure Ruby client for accessing memcached servers. It supports failover, namespaces, thread-safe operation, SSL/… | 98 | 3114 | active |
| oshai/kotlin-logging A lightweight, pure-Kotlin multiplatform logging facade that provides convenient and performant logging APIs for Kotlin. It wraps slf4j on … | 88 | 3107 | stable |
| Snailclimb/interview-guide An open-source AI-powered interview platform built with Spring Boot 4.1, Java 25, Spring AI 2.0, React, PostgreSQL/pgvector, and Redis. It … | 59 | 3106 | active |
| apache/pdfbox Apache PDFBox is an open source Java library for working with PDF documents, supporting creation, manipulation, and content extraction. It … | 77 | 3105 | stable |
| konsoletyper/teavm TeaVM is an ahead-of-time compiler that translates Java bytecode (from Java, Kotlin, or Scala) into JavaScript, WebAssembly, or C. It ships… | 91 | 3098 | active |
| infinilabs/analysis-pinyin A Pinyin analysis plugin for Elasticsearch, OpenSearch, and Easysearch that converts between Chinese characters and Pinyin. It provides a p… | 59 | 3098 | active |
| adrielcafe/voyager Voyager is a pragmatic navigation library for Compose Multiplatform, seamlessly integrated with Jetpack Compose. It supports linear, bottom… | 68 | 3089 | active |
| ulisesbocchio/jasypt-spring-boot A Spring Boot integration of the Jasypt library that enables transparent encryption and decryption of property sources in Spring Boot appli… | 68 | 3088 | active |
| Netflix/eureka Netflix Eureka is a RESTful service registry used primarily in AWS cloud environments for service discovery, mid-tier load balancing, and f… | 87 | 12736 | maintenance |
| wgtunnel/android WG Tunnel is a free and open-source Android client for WireGuard and AmneziaWG VPN tunnels, built in Kotlin with Jetpack Compose. It adds a… | 96 | 3085 | active |
| elastic/elasticsearch-rails Official Elasticsearch integrations for Ruby on Rails, provided as three gems: elasticsearch-model (ActiveModel/ActiveRecord/Mongoid search… | 45 | 3084 | active |
| alldatacenter/alldata AllData is a definable data platform (数据中台) that integrates open-source components like DolphinScheduler, DataX, SeaTunnel, OpenMetadata, a… | 83 | 3082 | active |
| power721/alist-tvbox A Java-based proxy server that bridges AList storage with TvBox media players, generating subscription playlists and supporting content sea… | 95 | 3081 | active |
| apache/parquet-java Apache Parquet Java is the Java implementation of the Apache Parquet column-oriented data file format. It provides reading and writing of e… | 90 | 3076 | active |
| KeepSafe/dexcount-gradle-plugin A Gradle plugin that reports the number of method references in your APK, AAR, or Java module on every build. It helps Android developers t… | 47 | 3072 | active |
| facebook/stetho Stetho is a debug bridge for Android applications that exposes app internals to Chrome Developer Tools via chrome://inspect. It supports ne… | 10 | 12655 | maintenance |
| halirutan/IntelliJ-Key-Promoter-X Key Promoter X is an IntelliJ-based IDE plugin that teaches keyboard shortcuts by showing them whenever you perform an action with the mous… | 89 | 3066 | active |
| openrocket/openrocket OpenRocket is a free, open-source model rocket simulator written in Java for designing and simulating rockets before building and flying th… | 67 | 3065 | active |
| AnyListen/tools-ocr Tree Hole OCR is a cross-platform desktop OCR tool built with Java and JavaFX that performs offline text recognition using Paddle OCR model… | 23 | 3065 | active |
| jobrunr/jobrunr JobRunr is a Java library for performing distributed background processing on the JVM using Java 8 lambdas, with jobs persisted in an exist… | 99 | 3064 | active |
| igniterealtime/Openfire Openfire is an open-source (Apache-2.0) real-time collaboration server implementing the XMPP (Jabber) protocol, written in Java. It provide… | 95 | 3059 | stable |
| quil/quil Quil is a Clojure/ClojureScript library that wraps the Processing API for creating drawings, animations, and interactive visual sketches. I… | 58 | 3051 | active |
| xtdb/xtdb XTDB is an open-source (MPL-2.0) immutable, bitemporal SQL database built on Apache Arrow and S3-compatible storage. It automatically retai… | 77 | 3045 | active |
| cruise-control-for-kafka/cruise-control Cruise Control is a Java-based service that automates dynamic workload rebalancing and self-healing for Apache Kafka clusters. It tracks br… | 93 | 3042 | active |
| korlibs/korge KorGE is a modern multiplatform game engine written entirely in Kotlin, built on top of the Korlibs multimedia stack. It targets JVM/Androi… | 67 | 3041 | active |
| javamelody/javamelody JavaMelody is an open-source library for monitoring Java and Java EE applications in QA and production environments. It collects and visual… | 92 | 3039 | active |
| zhihu/Matisse Matisse is a well-designed Android library for selecting local images and videos from a device's gallery. It supports multiple themes, plug… | 23 | 12512 | maintenance |
| apache/cloudstack Apache CloudStack is an open-source Infrastructure as a Service (IaaS) platform for deploying and managing large networks of virtual machin… | 99 | 3031 | stable |
| pedroSG94/RootEncoder RootEncoder is an Android library written in Java/Kotlin for encoding and pushing live video/audio streams to media servers over RTMP, RTSP… | 97 | 3028 | active |
| tlaplus/tlaplus The official TLA+ tools repository containing TLC, a model checker for TLA+ specifications, plus the SANY parser, PlusCal translator, REPL,… | 85 | 3018 | active |
| wikimedia/apps-android-wikipedia The official open-source Wikipedia Android application, built in Kotlin and Java. It provides mobile access to Wikipedia content via the Me… | 88 | 3011 | active |
| Jzvd/JZVideo JZVideo (JiaoZiVideoPlayer) is a highly customizable Android video player framework written in Java. It wraps pluggable media backends such… | 56 | 3011 | active |
| daimajia/AndroidSwipeLayout An Android UI library providing a powerful swipe layout component that can be integrated into ListViews, GridViews, or any ViewGroup. It su… | 23 | 12353 | maintenance |
| komoot/photon Photon is an open source geocoder for OpenStreetMap data built on OpenSearch, supporting forward and reverse geocoding with multilingual, t… | 94 | 3005 | active |
| classgraph/classgraph ClassGraph is an uber-fast parallelized classpath and module scanner for Java, Scala, Kotlin, and other JVM languages. It inspects classes,… | 99 | 3004 | stable |
| apache/commons-lang Apache Commons Lang is a Java utility library providing helper methods that supplement the java.lang API, including string manipulation, re… | 77 | 2999 | stable |
| ajalt/clikt Clikt is a multiplatform Kotlin library for building command line interfaces with type-safe, composable parameter parsing. It auto-generate… | 67 | 2996 | stable |
| ingokegel/jclasslib jclasslib is a desktop GUI tool that visualizes and edits compiled Java class files and their bytecode, including constant pool entries and… | 80 | 2995 | active |
| Tamsiree/RxTool RxTool is a large collection of utility classes and UI components for Android development, packaged as multiple Gradle modules (RxKit, RxUI… | 23 | 12288 | maintenance |
| spacecowboy/Feeder Feeder is an open-source RSS/Atom/JSON Feed reader app for Android, built with Kotlin and Jetpack Compose. It runs entirely locally with no… | 98 | 2988 | active |
| baidu/openrasp OpenRASP is Baidu's open-source Runtime Application Self-Protection (RASP) solution that embeds a protection engine directly into the appli… | 43 | 2987 | stable |
| MetrolistGroup/Metrolist Metrolist is a free and open-source YouTube Music client for Android built with Kotlin and Jetpack Compose. It streams music from YouTube M… | 94 | 12260 | maintenance |
| sunspot/sunspot Sunspot is a Ruby library providing an expressive DSL for indexing Ruby objects into and searching them via the Apache Solr search engine, … | 67 | 2979 | active |
| wkeyuan/DWSurvey DWSurvey (调问) is an open-source survey and form system for building questionnaires, polls, exams, and voting forms, running since 2012 with… | 28 | 2978 | active |
| thymeleaf/thymeleaf Thymeleaf is a modern server-side Java template engine for web and standalone environments, built around natural templates that remain vali… | 76 | 2977 | stable |
| androidx/media AndroidX Media (Jetpack Media3) is a collection of Android libraries for media use cases, including the ExoPlayer extensible media player, … | 98 | 2962 | stable |
| mit-nlp/MITIE MITIE is a C++ library and toolset for information extraction, providing named entity recognition and binary relation detection built on dl… | 43 | 2962 | active |
| spring-projects/spring-data-elasticsearch Spring Data Elasticsearch is part of the Spring Data umbrella, providing a familiar Spring-based programming model for Elasticsearch. It of… | 99 | 2961 | active |
| spring-projects/spring-batch Spring Batch is a lightweight, comprehensive batch framework for Java and Spring that enables development of robust batch applications. It … | 95 | 2951 | stable |
| 88250/symphony Symphony (Sym) is a modern open-source community platform written in Java that combines forum, Q&A, BBS, social network, and blog functiona… | 67 | 2941 | active |
| mybatis/spring An official adapter that bridges the MyBatis 3 SQL mapping framework with the Spring Framework, providing integration for transactions, map… | 88 | 2938 | active |
| scottyab/rootbeer RootBeer is an Android library that detects whether a device has been rooted using multiple Java and native checks such as scanning for su … | 67 | 2937 | active |
| apache/grails-core Apache Grails is a Groovy-based web application framework for the JVM, built on top of Spring Boot, using convention-over-configuration to … | 99 | 2924 | active |
| 10miaomiao/bilimiao2 bilimiao is a third-party Android client for Bilibili written in Kotlin with Jetpack Compose. It started as a 'time machine' for browsing p… | 80 | 2922 | active |
| oxylabs/perplexity-scraper A repository of code examples and documentation for Oxylabs' Perplexity Scraper API, which sends prompts to Perplexity and returns AI-gener… | 62 | 2922 | active |
| softwaremill/elasticmq ElasticMQ is an in-memory message queue system that implements an Amazon SQS-compatible REST interface. It can run stand-alone (including v… | 88 | 2918 | active |
| yahoo/CMAK CMAK (Cluster Manager for Apache Kafka, formerly Kafka Manager) is a web-based tool for managing and inspecting Apache Kafka clusters. It s… | 23 | 11925 | maintenance |
| xiaojinzi123/Component Component is a powerful Android componentization framework providing URI-based routing, interceptors, service discovery, and module lifecyc… | 23 | 2916 | active |
| AltBeacon/android-beacon-library An Android library that provides APIs for apps to detect and interact with Bluetooth Low Energy (BLE) beacons. It supports monitoring for b… | 51 | 2910 | active |
| WhatsApp/stickers Official WhatsApp repository providing sample iOS and Android apps plus an API for packaging and importing third-party sticker packs into W… | 46 | 2903 | stable |
| cwuom/NeriPlayer NeriPlayer is a native Android audio player built with Jetpack Compose and Media3 that combines multi-source online streaming (NetEase Clou… | 80 | 2898 | active |
| whyorean/AuroraStore Aurora Store is a free and open-source Android app store client that lets users search, browse, and download apps directly from the officia… | 77 | 2891 | active |
| ax-llm/ax Ax is a TypeScript-first LLM programming framework implementing the DSPy model, providing typed signatures, agents, flows, and optimizers l… | 93 | 2885 | active |
| arkivanov/Decompose Decompose is a Kotlin Multiplatform library for breaking code into tree-structured, lifecycle-aware business logic components (BLoCs) with … | 79 | 2867 | active |
| aws/jsii jsii is a toolchain that lets TypeScript class libraries be consumed natively from Python, Java, C#/.NET, Go, and JavaScript by generating … | 99 | 2866 | active |
| liangjingkanji/BRV BRV is a Kotlin framework for rapidly building RecyclerView lists on Android, positioning itself as a simpler, more powerful alternative to… | 54 | 2863 | active |
| cashapp/turbine Turbine is a small Kotlin testing library for kotlinx.coroutines Flow. It wraps flows in a Turbine channel-based API with awaitItem/awaitCo… | 67 | 2854 | active |
| weavejester/hiccup Hiccup is a fast Clojure library for rendering HTML by representing elements as vectors and attributes as maps. It supports automatic strin… | 44 | 2854 | stable |
| bytedeco/javacpp-presets JavaCPP Presets provides Java bindings for commonly used native C++ libraries such as OpenCV, FFmpeg, and many others, built on the JavaCPP… | 86 | 2850 | active |
| wangchenyan/ponymusic PonyMusic (波尼音乐) is an open-source Android online music player modeled on NetEase Cloud Music, built with Kotlin, Media3, and ExoPlayer. It… | 50 | 2848 | active |
| gzu-liyujiang/Android_CN_OAID An open-source Android library providing a unified solution for obtaining unique device identifiers, serving as an open alternative to the … | 84 | 2845 | active |
| aicareles/Android-BLE An Android Bluetooth Low Energy (BLE) framework in Java that wraps all BLE operations—scanning, connecting, notifications, read/write, RSSI… | 23 | 2843 | active |
| assertj/assertj AssertJ is a Java library providing a rich set of strongly-typed, fluent assertions for unit testing with JUnit, TestNG, or any other test … | 88 | 2842 | stable |
| mc1arke/sonarqube-community-branch-plugin A community plugin for SonarQube Community Edition that enables branch analysis and pull request decoration, features normally reserved for… | 93 | 2837 | active |
| Automattic/pocket-casts-android The open-source Android client for Pocket Casts, a full-featured podcast player app by Automattic. It includes modules for playback, discov… | 99 | 2834 | active |
| metadata-extractor A Java library (with a .NET port) for reading metadata such as Exif, IPTC, XMP, and ICC profiles from image, video, and audio files. It sup… | 87 | 2825 | stable |
| Kotlin/kotlinx-datetime A Kotlin multiplatform library for working with dates, times, and time zones based on the ISO 8601 standard. It provides a minimal, pragmat… | 85 | 2825 | active |
| jOOQ/jOOR jOOR is a small, dependency-free fluent API wrapper around Java's java.lang.reflect package, making reflection more intuitive and concise. … | 32 | 2825 | stable |
| Engelberg/instaparse Instaparse is a Clojure/ClojureScript library that turns context-free grammars written in standard EBNF or ABNF notation into executable pa… | 32 | 2822 | stable |
| tigshop/Tigshop Tigshop is a 100% open-source enterprise-grade e-commerce mall system available in both Java (SpringBoot3) and PHP (TP8) editions, with a V… | 53 | 2818 | active |
| teaql/teaql-agent-kit TeaQL Agent Kit is a model-mediated harness for coding agents that inserts an inspectable, executable domain model (KSML) between requireme… | 87 | 2801 | active |