platform: jvm
3641 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| elastic/logstash Logstash is an open-source server-side data processing pipeline that ingests data from multiple sources simultaneously, transforms it, and … | 95 | 14925 | stable |
| languagetool-org/languagetool LanguageTool is an open-source proofreading engine that checks grammar, spelling, and style in 25+ languages. It ships as a Java library, a… | 77 | 14875 | stable |
| opensandbox-group/OpenSandbox OpenSandbox is a general-purpose sandbox platform for AI applications that securely runs commands, code interpreters, browsers, and develop… | 79 | 14737 | active |
| eclipse-vertx/vert.x Eclipse Vert.x is a polyglot toolkit for building reactive, non-blocking, asynchronous applications on the JVM, built on top of Netty. It p… | 77 | 14686 | stable |
| kekingcn/kkFileView kkFileView is a self-hosted Spring Boot application that provides online preview of a very wide range of file formats, including Office doc… | 95 | 14595 | active |
| ktorio/ktor Ktor is an asynchronous web framework for Kotlin, built by JetBrains on top of coroutines, for creating servers, microservices, and multipl… | 98 | 14504 | stable |
| xpipe-io/xpipe XPipe is a desktop connection hub for managing entire server infrastructures from a local machine, integrating SSH, Docker, Kubernetes, hyp… | 93 | 14462 | active |
| apache/dolphinscheduler Apache DolphinScheduler is a modern data orchestration platform for building high-performance workflows with low-code drag-and-drop tooling… | 90 | 14447 | stable |
| GoogleContainerTools/jib Jib builds optimized Docker and OCI container images for Java applications without requiring a Docker daemon, available as Maven and Gradle… | 94 | 14440 | stable |
| T8RIN/ImageToolbox Image Toolbox is a powerful open-source Android app for advanced image manipulation, built with Kotlin and Jetpack Compose in Material You … | 97 | 14364 | active |
| Eclipse Deeplearning4J Eclipse Deeplearning4J is an open-source deep learning framework and ecosystem for the JVM, including the ND4J linear algebra library, the … | 77 | 14246 | active |
| Netflix/zuul Zuul is Netflix's L7 application gateway service providing dynamic routing, monitoring, resiliency, and security for microservices. It is a… | 93 | 14063 | active |
| apache/druid Apache Druid is a high-performance, distributed, real-time analytics database written in Java for fast OLAP-style slice-and-dice queries on… | 89 | 14045 | stable |
| google/or-tools Google's open-source Operations Research suite for combinatorial optimization, written in C++ with wrappers for Python, C#, and Java. It in… | 79 | 13946 | stable |
| pinpoint-apm/pinpoint Pinpoint is an open-source Application Performance Management (APM) tool for large-scale distributed systems, inspired by Google's Dapper p… | 86 | 13861 | active |
| Kotlin/kotlinx.coroutines The official JetBrains library providing coroutine support for Kotlin, with multiplatform support across JVM, Android, JS, Native, and Wasm… | 85 | 13805 | stable |
| LuckSiege/PictureSelector PictureSelector is an Android media picker library for selecting pictures, videos, and audio from the device gallery, with built-in support… | 23 | 13591 | stable |
| opensearch-project/OpenSearch OpenSearch is an open-source, distributed, RESTful search and analytics suite for full-text search, log analytics, application monitoring, … | 98 | 13581 | stable |
| projectlombok/lombok Project Lombok is a Java library that plugs into compilers (javac, ECJ) and build tools to automatically generate boilerplate code like get… | 76 | 13472 | stable |
| Lawnchair Lawnchair is a free, open-source home screen launcher for Android built on AOSP's Launcher3, porting Pixel Launcher features and adding ric… | 86 | 13401 | active |
| PlantUML PlantUML is an open-source Java tool that generates UML and other diagrams (sequence, class, activity, Gantt, mindmap, and more) from simpl… | 99 | 13271 | stable |
| trinodb/trino Trino is a fast, distributed ANSI SQL query engine for big data analytics, formerly known as PrestoSQL. It queries data in place across div… | 93 | 13183 | stable |
| macrozheng/mall-swarm mall-swarm is a microservices-based e-commerce mall system built with Spring Cloud Alibaba, Spring Boot 3.5, Sa-Token, MyBatis, Elasticsear… | 66 | 13104 | active |
| Debezium Debezium is an open source distributed platform for change data capture (CDC) that streams row-level database changes as events, most commo… | 77 | 13049 | stable |
| youth5201314/banner An Android banner/carousel UI library built on ViewPager2 for displaying looping advertisement images with customizable indicators and page… | 32 | 13018 | stable |
| alibaba/COLA COLA (Clean Object-oriented & Layered Architecture) is a Java framework from Alibaba that defines a clean, layered application architecture… | 34 | 13007 | stable |
| LangChain4j LangChain4j is an open-source Java library for building LLM-powered applications on the JVM, providing a unified API over 20+ LLM providers… | 95 | 12959 | active |
| aws/aws-cdk The AWS Cloud Development Kit (CDK) is an open-source framework for defining cloud infrastructure in code using familiar programming langua… | 95 | 12876 | stable |
| codecentric/spring-boot-admin Spring Boot Admin is a web-based admin UI for monitoring and managing Spring Boot applications via their Actuator endpoints. It provides da… | 97 | 12850 | active |
| apache/zookeeper Apache ZooKeeper is a high-performance, fault-tolerant coordination service for distributed applications, exposing a hierarchical key-value… | 77 | 12795 | stable |
| google/guice Guice is a lightweight dependency injection framework for Java 11+, developed by Google. It eliminates the need for manual factories and 'n… | 67 | 12732 | stable |
| Play Framework Play Framework is a high-velocity, reactive web framework for Java and Scala running on the JVM. It offers a stateless, non-blocking archit… | 94 | 12621 | active |
| PaperMC/Paper Paper is a high-performance Minecraft: Java Edition server based on Spigot that fixes gameplay and mechanics inconsistencies while greatly … | 77 | 12604 | active |
| redis/jedis Jedis is the official Java client for Redis, designed for performance and ease of use. It supports standalone Redis servers as well as Redi… | 94 | 12356 | stable |
| pagehelper-org/Mybatis-PageHelper PageHelper is a widely used pagination plugin for MyBatis that intercepts queries to perform physical (database-level) pagination. It suppo… | 66 | 12355 | stable |
| DayBreak-u/chineseocr_lite An ultra-lightweight Chinese OCR toolkit combining DBNet text detection, CRNN text recognition, and an angle classifier, with total model s… | 70 | 12339 | active |
| rtyley/bfg-repo-cleaner BFG Repo-Cleaner is a command-line tool for removing large files, passwords, credentials, and other unwanted data from Git repository histo… | 24 | 12175 | active |
| Yalantis/uCrop uCrop is an open-source Android image cropping library by Yalantis offering flexible cropping, rotation, scaling, and compression with a bu… | 42 | 12079 | stable |
| OpenRefine/OpenRefine OpenRefine is a free, open-source desktop application (running a local web server accessed via browser) for cleaning, transforming, and enr… | 90 | 11954 | stable |
| coil-kt/coil Coil is a Kotlin-first image loading library for Android and Compose Multiplatform, built on Coroutines and Okio. It provides fast, lightwe… | 95 | 11881 | stable |
| YiiGuxing/TranslationPlugin A translation plugin for IntelliJ-based IDEs and Android Studio that supports multiple translation engines including Google, Microsoft, Dee… | 95 | 11831 | active |
| code4craft/webmagic WebMagic is a scalable web crawler framework for Java covering the full crawl lifecycle: downloading, URL management, content extraction (X… | 60 | 11678 | active |
| Tencent/wcdb WCDB is a cross-platform mobile database framework developed by WeChat, built on SQLite and SQLCipher. It provides ORM and a native query l… | 77 | 11631 | active |
| ankidroid/Anki-Android AnkiDroid is the Android client for the open-source Anki spaced repetition flashcard system, letting users study and sync decks with AnkiWe… | 93 | 11628 | active |
| newbee-mall newbee-mall is an open-source e-commerce system built with Spring Boot, offering a storefront (home page, product categories, search, cart,… | 54 | 11618 | active |
| apple/pkl Pkl is a configuration-as-code language from Apple with rich validation, templating, and tooling for defining programmable, scalable, and s… | 87 | 11497 | active |
| gyf-dev/ImmersionBar An Android library for managing immersive (transparent) status bars and navigation bars on Android 4.4+, with one-line setup for Activities… | 96 | 11470 | stable |
| jhy/jsoup jsoup is a Java library for parsing, manipulating, and cleaning real-world HTML and XML, implementing the WHATWG HTML5 specification to pro… | 95 | 11387 | stable |
| apereo/cas Apereo CAS is an enterprise open-source identity provider and single sign-on server implemented in Java on Spring Boot. It centralizes auth… | 99 | 11360 | stable |
| breezy-weather/breezy-weather Breezy Weather is a free and open source Android weather app built with Kotlin and Jetpack Compose following Material 3 Expressive design. … | 99 | 11201 | active |
| ZCShou/GoGoGo GoGoGo (影梭) is an Android app that fakes GPS location using Android's mock location debug API combined with Baidu Maps, without requiring r… | 47 | 11111 | active |
| clojure/clojure Clojure is a dynamic, general-purpose Lisp dialect for the JVM that compiles to Java bytecode while remaining fully dynamic at runtime. It … | 77 | 10954 | stable |
| SonarQube SonarQube is a continuous code inspection platform that performs static analysis to track code quality, security vulnerabilities, and techn… | 98 | 10928 | stable |
| dtm-labs/dtm DTM is a distributed transaction framework that provides cross-service eventual data consistency using saga, TCC, XA, 2-phase message, outb… | 50 | 10911 | stable |
| PRQL/prql PRQL (Pipelined Relational Query Language) is a modern query language for transforming data that compiles to SQL, letting users write reada… | 93 | 10900 | active |
| JakeWharton/timber Timber is a lightweight, extensible logging library for Android built on top of the standard android.util.Log class. Behavior is added by p… | 67 | 10846 | stable |
| zfile-dev/zfile ZFile is a self-hosted online cloud disk (file listing and sharing) application for individuals and small teams, built with Java/Spring Boo… | 93 | 10821 | active |
| TooTallNate/Java-WebSocket A barebones WebSocket client and server library written in 100% Java, built on java.nio for a non-blocking, event-driven model. It implemen… | 51 | 10805 | stable |
| maxrave-dev/SimpMusic SimpMusic is a free, open-source (GPL-3.0) music player app that streams from YouTube Music, built with Kotlin and Compose Multiplatform fo… | 96 | 10719 | active |
| alibaba/spring-ai-alibaba Spring AI Alibaba is a production-ready agentic AI framework for Java developers, built on Spring AI and a DAG-based Graph runtime. It prov… | 76 | 10712 | active |
| AutoMQ/automq AutoMQ is a cloud-native, 100% Apache Kafka-compatible streaming platform that replaces broker-local disks with S3-compatible object storag… | 95 | 10574 | active |
| AppIntro/AppIntro AppIntro is an Android library for building polished carousel-style intro and onboarding screens for apps. It supports custom slides, slide… | 67 | 10569 | active |
| google/auto Google Auto is a collection of Java annotation-processor-based source code generators, including AutoValue for immutable value types, AutoF… | 72 | 10551 | stable |
| Activiti/Activiti Activiti is a lightweight, open-source Business Process Management (BPM) platform whose core is a fast BPMN 2.0 process engine for Java. It… | 95 | 10541 | active |
| JetBrains/ideavim IdeaVim is an official JetBrains plugin that embeds a Vim engine into JetBrains IDEs, supporting Vim motions, commands, macros, registers, … | 77 | 10256 | active |
| TeamPiped/Piped Piped is an open-source, privacy-friendly alternative frontend for YouTube that blocks ads and tracking while providing a lightweight viewi… | 77 | 10206 | active |
| iSoron/uhabits Loop Habit Tracker is an open-source Android app for creating and maintaining long-term positive habits, with graphs, streaks, reminders, a… | 72 | 10168 | stable |
| square/moshi Moshi is a modern JSON serialization library for Kotlin and Java, with built-in type adapters and optional Kotlin code generation. It conve… | 77 | 10155 | stable |
| stanfordnlp/CoreNLP Stanford CoreNLP is a Java suite of natural language processing tools that annotates raw text with tokenization, POS tags, named entities, … | 74 | 10102 | stable |
| apache/cassandra Apache Cassandra is an open-source NoSQL distributed wide-column database written in Java, designed for linear scalability and fault tolera… | 77 | 10082 | stable |
| TarsCloud/Tars Tars is a high-performance RPC framework based on name service and the Tars protocol, with an integrated administration platform and flexib… | 65 | 10077 | stable |
| flyway/flyway Flyway is an open-source database migration tool by Redgate that versions and applies schema and data changes across 50+ database systems u… | 95 | 10029 | stable |
| InsertKoinIO/koin Koin is a pragmatic, lightweight dependency injection framework for Kotlin and Kotlin Multiplatform, offering a concise DSL and annotations… | 86 | 10013 | stable |
| HMCL-dev/HMCL Hello Minecraft! Launcher (HMCL) is a cross-platform, open-source Minecraft launcher built with JavaFX. It supports installing mod loaders … | 98 | 9932 | active |
| happydog-intj/JsBridge An Android library providing a bidirectional bridge between Java and JavaScript in WebViews, inspired by WeChat's jsBridge. It lets develop… | 44 | 9908 | stable |
| LaurieWired/GhidraMCP GhidraMCP is a Model Context Protocol server implemented as a Ghidra plugin that exposes Ghidra's reverse engineering tools to LLM clients.… | 34 | 9865 | active |
| OpenFeign/feign Feign is a Java library that simplifies writing HTTP clients by binding annotated interfaces to templatized HTTP requests. It supports plug… | 99 | 9796 | stable |
| hackware1993/MagicIndicator MagicIndicator is a powerful, customizable and extensible ViewPager indicator library for Android, serving as an alternative to ViewPagerIn… | 23 | 9792 | stable |
| Spinnaker Spinnaker is an open-source, multi-cloud continuous delivery platform created at Netflix that combines flexible pipeline management with in… | 98 | 9776 | active |
| koral--/android-gif-drawable An Android library providing Views and Drawables for displaying animated GIFs, using bundled GIFLib via JNI for efficient frame rendering. … | 87 | 9647 | stable |
| spring-projects/spring-security Spring Security is a powerful and highly customizable authentication and access-control framework for Java applications, and the de-facto s… | 99 | 9612 | stable |
| apache/seatunnel Apache SeaTunnel is a distributed, high-performance data integration platform for synchronizing massive amounts of data across hundreds of … | 82 | 9587 | stable |
| apache/jmeter Apache JMeter is a 100% Java open-source application for load testing and measuring the performance of web applications and other services.… | 66 | 9518 | stable |
| flowable/flowable-engine Flowable is an open-source Java workflow and Business Process Management (BPM) platform providing fast BPMN process, CMMN case, and DMN rul… | 79 | 9493 | stable |
| crossoverJie/cim CIM (Cross IM) is a distributed instant messaging system for developers built with Java, Netty, and Spring Boot. It provides server and cli… | 57 | 9492 | active |
| spring-projects/spring-petclinic Spring PetClinic is the official Spring sample application: a Spring Boot web app that manages a veterinary clinic's owners, pets, veterina… | 77 | 9482 | active |
| json-path/JsonPath Jayway JsonPath is a Java library providing a DSL for reading and querying JSON documents using JsonPath expressions, analogous to XPath fo… | 67 | 9448 | stable |
| Justson/AgentWeb AgentWeb is a powerful and easy-to-use Android library built on top of the system WebView, providing solutions for common WebView problems … | 80 | 9424 | stable |
| cadence-workflow/cadence Cadence is an open-source, CNCF-hosted durable execution and workflow orchestration engine originally developed at Uber. It lets developers… | 96 | 9417 | stable |
| gitbucket/gitbucket GitBucket is a self-hosted Git web platform written in Scala that provides repositories, issues, pull requests, wikis, and GitHub API compa… | 94 | 9394 | active |
| clojure/clojurescript ClojureScript is a compiler that translates Clojure code into JavaScript, designed to emit output compatible with Google Closure's advanced… | 92 | 9390 | stable |
| legado (阅读) Legado (阅读 3.0) is an open-source Android e-book reader that lets users define custom book sources to read web novels and online content. I… | 61 | 47040 | maintenance |
| spring-projects/spring-ai Spring AI is an application framework for AI engineering that provides Spring-friendly, portable abstractions for integrating AI models int… | 95 | 9358 | active |
| JetBrains/Exposed Exposed is JetBrains' lightweight SQL library and ORM framework for Kotlin, offering a typesafe SQL-wrapping DSL and a lightweight DAO API … | 95 | 9281 | stable |
| FongMi/TV An open-source Android video streaming app built on CatVod that supports both Android TV (leanback) and mobile UIs, with VOD browsing, live… | 75 | 9223 | active |
| apache/iceberg Apache Iceberg is a high-performance open table format for huge analytic datasets, bringing SQL table reliability to big data lakes. This r… | 90 | 9177 | stable |
| cabaletta/baritone Baritone is a pathfinding bot for Minecraft that automatically navigates the world, mines blocks, and performs tasks using A* pathfinding. … | 80 | 9153 | active |
| async-profiler/async-profiler A low-overhead sampling profiler for Java applications built on HotSpot's AsyncGetCallTrace API and Linux perf_events. It profiles CPU time… | 93 | 9124 | stable |
| lysine-dev/okio Okio is a modern I/O library for Kotlin Multiplatform, Java, and Android that complements java.io and java.nio with ByteString, Buffer, Sou… | 76 | 9036 | stable |
| sohutv/cachecloud CacheCloud is a self-hosted Redis cloud management platform from Sohu TV that supports Standalone, Sentinel, and Cluster Redis architecture… | 78 | 9034 | active |