platform: jvm
3641 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| apache/poi Apache POI is a Java library for reading and writing Microsoft Office documents in both OLE2 binary formats (XLS, DOC, PPT) and Office Open… | 77 | 2264 | stable |
| liferay/liferay-portal Liferay DXP (formerly Liferay Portal) is a Java-based digital experience platform combining a CMS, DAM, portals, commerce, search, personal… | 74 | 2263 | active |
| maliangnansheng/bbs-springboot Nan's BBS (南生论坛) is an open-source Java forum/community platform styled after Juejin, built with SpringBoot on the backend and Vue on the f… | 74 | 2257 | active |
| iText iText is a high-performance PDF library/SDK for Java and .NET that lets developers create, manipulate, inspect, sign, and secure PDF docume… | 93 | 2255 | stable |
| winder/Universal-G-Code-Sender Universal G-Code Sender is a free, cross-platform Java application for sending G-Code to CNC controllers such as GRBL, FluidNC, TinyG, g2co… | 94 | 2250 | active |
| material-foundation/material-color-utilities A set of color utilities implementing Material Design 3's color system, including the HCT color space, dynamic color schemes, contrast meas… | 76 | 2250 | stable |
| flipperdevices/Flipper-Android-App The official Android companion app for the Flipper Zero multi-tool device, built in Kotlin with a modular architecture. It lets users conne… | 69 | 2250 | active |
| russhwolf/multiplatform-settings A Kotlin Multiplatform library providing a common API for persisting simple key-value data across platforms like Android, iOS, JVM, JS, and… | 41 | 2247 | stable |
| nathanmarz/storm Apache Storm (originally nathanmarz/storm) is a distributed, fault-tolerant realtime computation system for stream processing, continuous c… | 32 | 8765 | maintenance |
| FoedusProgramme/Gramophone Gramophone is a lightweight, open-source local music player for Android built on Media3 and Material Design 3. It follows Android platform … | 95 | 2244 | active |
| PaperMC/Velocity Velocity is a modern, high-performance Minecraft server proxy written in Java, designed to route players across multiple backend servers wi… | 77 | 2244 | active |
| laobie/StatusBarUtil StatusBarUtil is a Java utility library for Android that simplifies setting the status bar style (color, translucency, transparency) on app… | 32 | 8745 | maintenance |
| varabyte/kobweb Kobweb is an opinionated Kotlin full-stack web framework built on Compose HTML, inspired by Next.js and Chakra UI. It provides page routing… | 98 | 2238 | active |
| 864381832/xJavaFxTool xJavaFxTool is a cross-platform desktop application built with JavaFX that bundles dozens of small developer utilities, including encoding … | 53 | 2238 | active |
| typelevel/cats-effect Cats Effect is a high-performance, purely functional asynchronous runtime for Scala built around the IO monad and a typeclass hierarchy def… | 99 | 2236 | stable |
| lets-mica/mica Mica is a Java toolkit and set of Spring Boot/Spring Cloud starter components for microservice development, offering utilities, captcha, HT… | 78 | 2236 | active |
| flyingsaucerproject/flyingsaucer Flying Saucer is a pure-Java library that renders well-formed XML/XHTML using CSS 2.1 layout and formatting. It outputs rendered documents … | 98 | 2235 | active |
| vigna/fastutil fastutil is a Java library that extends the Java Collections Framework with type-specific maps, sets, lists, and queues for primitives and … | 74 | 2230 | stable |
| pen4uin/java-memshell-generator A highly customizable Java in-memory webshell (memshell) generator supporting multiple middleware servers, frameworks, shell types, and out… | 37 | 2230 | active |
| sohutv/mqcloud MQCloud is an enterprise-grade one-stop management platform for Apache RocketMQ, combining client SDK, operations, monitoring, and alerting… | 80 | 2228 | active |
| locationtech/jts The JTS Topology Suite is a Java library for creating and manipulating vector geometry, providing a comprehensive set of geometry algorithm… | 66 | 2227 | stable |
| typelevel/doobie doobie is a pure functional JDBC layer for Scala built on Cats and Cats Effect, providing a monadic API (ConnectionIO) for constructing typ… | 87 | 2225 | active |
| srikanth-lingala/zip4j Zip4j is a comprehensive Java library for working with zip files and streams, offering a simple API for creating, extracting, updating, and… | 65 | 2225 | active |
| cashapp/molecule Molecule is a Kotlin library from Cash App that lets you build StateFlow or Flow streams using Jetpack Compose's runtime, without its UI to… | 73 | 2222 | active |
| shwenzhang/AndResGuard AndResGuard is a tool from the WeChat team that obfuscates and shrinks Android APK resources, working like ProGuard but for resource files … | 23 | 8645 | maintenance |
| Katana-Official/SPatch-Update A launcher UI for the Metaverse Engine (based on the Mundo project) that serves as the update channel for SPatch nightly builds. It provide… | 80 | 2219 | active |
| OpenSPG/openspg OpenSPG is a knowledge graph engine built on the SPG (Semantic-enhanced Programmable Graph) framework, developed by Ant Group with OpenKG. … | 38 | 2217 | active |
| dromara/x-file-storage A Java library (part of the Dromara ecosystem) that lets developers store files to local disk, FTP/SFTP, WebDAV, and dozens of cloud object… | 59 | 2213 | active |
| Sonic Cloud Real Machine Platform Sonic is an open-source cloud real machine platform for remote control, debugging, and automated testing of mobile devices such as Android,… | 10 | 2210 | active |
| Netflix/EVCache EVCache is a distributed in-memory key-value caching library built on memcached and spymemcached, designed primarily for AWS EC2 cloud infr… | 91 | 2208 | stable |
| moshowgame/SpringBootCodeGenerator A web-based Java code generator ('Big Wolf Dog Code Generator') built on Spring Boot 3 and Freemarker that turns DDL SQL, INSERT/SELECT SQL… | 64 | 2208 | active |
| openpnp/openpnp OpenPnP is open source software (with accompanying hardware designs) for controlling SMT pick and place machines used in PCB assembly. It c… | 81 | 2205 | active |
| hefengbao/jingmo Jingmo (京墨) is an open-source Android app for reading Chinese cultural content, including classical poetry, famous quotes, characters, idio… | 80 | 2200 | active |
| mhss1/MyBrain My Brain is an all-in-one Android productivity app combining tasks, markdown notes, calendar, diary with mood tracking, and bookmarks, plus… | 98 | 2196 | active |
| junit-team/junit4 JUnit 4 is a programmer-oriented unit testing framework for Java, following the xUnit architecture with annotations, assertions, and Hamcre… | 66 | 8515 | maintenance |
| zeroc-ice/ice Ice (Internet Communications Engine) is a complete RPC framework for building networked applications, using the Slice IDL to generate clien… | 91 | 2191 | stable |
| JorenSix/TarsosDSP TarsosDSP is a pure-Java framework for real-time audio processing and music information retrieval, with no external dependencies. It implem… | 72 | 2189 | stable |
| hamcrest/JavaHamcrest JavaHamcrest is the original Java version of Hamcrest, a library of matcher objects that can be combined to create flexible, readable expre… | 26 | 2189 | stable |
| spring-petclinic/spring-petclinic-microservices A distributed version of the Spring PetClinic sample application built with Spring Cloud, demonstrating microservices architecture with ser… | 67 | 2188 | active |
| logstash-plugins/logstash-patterns-core A Logstash plugin providing the built-in grok pattern definitions used to parse unstructured log data into structured fields. It ships the … | 75 | 2186 | stable |
| JakeWharton/diffuse Diffuse is a command-line tool that diffs APKs, AABs, AARs, and JARs, showing high-level size changes plus detailed breakdowns of DEX, ARSC… | 67 | 2185 | active |
| scouter-project/scouter Scouter is an open-source Application Performance Management (APM) tool similar to New Relic or AppDynamics, using a Java agent to instrume… | 72 | 2180 | active |
| ruby-oauth/oauth2 A Ruby gem implementing OAuth 2.0 and 2.1 client functionality, including OpenID Connect (OIDC) support. It handles token requests, grant t… | 97 | 2179 | active |
| bigintpro/csdn_downloader A Java (Spring Boot + Dubbo) based web service that downloads CSDN resources such as articles and paid/VIP documents without needing points… | 59 | 2179 | active |
| BoCloud/folib Folib is a self-hosted, all-language artifact repository manager supporting npm, Maven, PyPI, Docker, Go, Cargo, NuGet, Helm, and many othe… | 54 | 2178 | active |
| CaffeineMC/lithium Lithium is a free and open-source Minecraft mod that optimizes many areas of the game engine to improve overall performance without changin… | 93 | 2174 | active |
| rubyconfig/config A Ruby gem that adds multi-environment YAML-based settings management to Rails, Sinatra, Padrino, and other Ruby projects. It supports ERB … | 68 | 2170 | active |
| brianwernick/ExoMedia ExoMedia is an Android library that wraps ExoPlayer to simplify audio and video playback with straightforward APIs. It provides a drop-in V… | 61 | 2169 | active |
| DSheirer/sdrtrunk sdrtrunk is a cross-platform Java application for decoding, monitoring, recording, and streaming trunked mobile and related radio protocols… | 66 | 2168 | active |
| zio/zio-quill ZIO Quill is a Scala database query library providing a Quoted Domain Specific Language (QDSL) that translates Scala code into SQL or Cassa… | 67 | 2166 | stable |
| tdunning/t-digest A Java library implementing the t-digest data structure for accurate online accumulation of rank-based statistics such as quantiles and tri… | 35 | 2166 | stable |
| OmGodse/Notally Notally is a lightweight, minimalist notes app for Android built with Kotlin and Material Design. It supports rich text notes, images, labe… | 76 | 2162 | active |
| stuartsierra/component A small Clojure library for managing the lifecycle and dependencies of stateful components such as database connections, web servers, and c… | 54 | 2161 | stable |
| HighCapable/YukiHookAPI YukiHookAPI is a Kotlin-based Hook API built on top of the Xposed framework, providing a fluent DSL for writing Xposed modules. It offers r… | 86 | 2159 | active |
| jar-analyzer/jar-analyzer A free, open-source GUI tool for analyzing Java JAR files, offering method call relationship search, DFS call chain analysis, taint analysi… | 94 | 2158 | active |
| onthegomap/planetiler Planetiler is a Java-based tool that generates vector tilesets (MBTiles or PMTiles) from OpenStreetMap and other geographic data sources. I… | 87 | 2157 | active |
| bitwalker/libcluster An Elixir library that automatically forms and heals clusters of Erlang nodes using pluggable strategies such as EPMD, multicast UDP gossip… | 32 | 2155 | stable |
| vulhub/java-chains Java Chains is a self-hosted web platform for generating Java exploitation payloads, aimed at security researchers. It supports common Java… | 89 | 2152 | active |
| philss/floki Floki is an Elixir HTML parser that lets you search document nodes using CSS selectors. It supports multiple parsing backends (mochiweb_htm… | 86 | 2149 | stable |
| kythe/kythe Kythe is a pluggable, mostly language-agnostic ecosystem for building tools that work with code, providing a standard schema and interchang… | 86 | 2147 | active |
| bit4woo/domain_hunter_pro Domain Hunter Pro is a Burp Suite plugin (Java jar) for automated domain and subdomain collection, web title fetching, and target managemen… | 63 | 2145 | active |
| apache/tinkerpop Apache TinkerPop is a graph computing framework providing the Gremlin traversal language, drivers, Gremlin Server, and a reference in-memor… | 77 | 2144 | stable |
| MMRLApp/MMRL MMRL is an Android application for managing, sharing, and exploring Magisk modules across decentralized community repositories. It supports… | 90 | 2143 | active |
| 7723mod/NPatch NPatch is a rootless Xposed framework forked from LSPatch, based on LSPosed, that injects Xposed modules into target APKs by inserting dex … | 84 | 2143 | active |
| haraldk/TwelveMonkeys TwelveMonkeys ImageIO is a collection of plugins and extensions for Java's javax.imageio framework, adding read/write support for many imag… | 89 | 2142 | stable |
| VIPyinzhiwei/Eyepetizer A Kotlin Android client that replicates the 'Eyepetizer' short-video app, built with Android Jetpack components and coroutines in an MVVM a… | 32 | 2142 | active |
| unclebob/fitnesse FitNesse is a fully integrated, stand-alone acceptance testing framework combined with a wiki, written in Java. It lets teams collaborative… | 65 | 2141 | stable |
| jdbi/jdbi Jdbi is a Java library providing convenient, idiomatic access to relational databases on top of JDBC, with fluent and declarative APIs. It … | 96 | 2136 | active |
| apache/atlas Apache Atlas is an open-source metadata management and data governance framework providing a shared metadata store, data lineage, and class… | 77 | 2136 | active |
| coursier/coursier Coursier is a dependency resolver and artifact fetcher for Maven/Ivy repositories, written in pure Scala, serving as the Scala application … | 98 | 2135 | active |
| adamfisk/LittleProxy LittleProxy is a high-performance HTTP(S) proxy written in Java on top of the Netty networking library. It can be run standalone from the c… | 23 | 2127 | active |
| corretto/corretto-8 Amazon Corretto 8 is a no-cost, production-ready distribution of OpenJDK 8 maintained by Amazon and used internally for production services… | 95 | 2124 | stable |
| jOOQ/jOOL jOOλ is a small Java library that fills gaps in the JDK 8 functional APIs, adding tuple types (Tuple1-Tuple16), extended function interface… | 32 | 2119 | stable |
| ModelEngine-Group/fit-framework FIT is an enterprise-grade AI development framework for the Java ecosystem, combining a polyglot function engine (Java/Python/C++), a strea… | 66 | 2117 | active |
| apache/fluss Apache Fluss is a lakehouse-native streaming storage built for real-time analytics and AI, serving as the real-time data layer for Lakehous… | 78 | 2113 | active |
| alibaba/atlas Atlas is Alibaba's Android dynamic component framework that enables client-side containerization through decoupled, isolated bundles. It pr… | 23 | 8143 | maintenance |
| dathlin/HslCommunication HslCommunication is a cross-platform industrial IoT communication library (available for .NET, Java, and Python) that reads and writes data… | 66 | 2108 | active |
| saket/cascade Cascade is a Kotlin library for Android that builds nested popup menus with smooth height animations. It serves as a drop-in replacement fo… | 23 | 2107 | stable |
| sparrowwallet/sparrow Sparrow is a free, open-source desktop Bitcoin wallet application built in Java with a focus on security, privacy, and transparency. It sup… | 98 | 2106 | active |
| alibaba/otter Otter is Alibaba's distributed database synchronization system that parses database incremental logs (via Canal) to replicate data near-rea… | 23 | 8126 | maintenance |
| ZongXR/SuperMarket A full-featured online shopping mall system built with Java and SpringCloud microservices, including frontend, backend, MySQL, Redis cachin… | 23 | 2105 | active |
| continew-org/continew-admin ContiNew Admin is a full-stack, multi-tenant admin management framework/scaffold built on Spring Boot 3 (Java 17) and Vue 3 with Arco Desig… | 80 | 2104 | active |
| ZacSweers/CatchUp CatchUp is an Android app that aggregates the front pages of services like Hacker News, Reddit, Medium, Product Hunt, Dribbble, and GitHub … | 67 | 2099 | active |
| topjohnwu/libsu libsu is an Android library providing a complete solution for apps that need root (superuser) permissions. It wraps the Unix root shell pro… | 56 | 2099 | active |
| protostuff/protostuff Protostuff is a Java serialization library with built-in forward-backward compatibility (schema evolution) and validation, supporting plugg… | 29 | 2096 | active |
| guolindev/LitePal LitePal is an open-source Android ORM library that simplifies SQLite database usage, letting developers perform most database operations wi… | 32 | 8060 | maintenance |
| ctripcorp/x-pipe X-Pipe is Ctrip's Redis multi-datacenter replication management system built on Redis's master-slave replication protocol. It provides low-… | 67 | 2091 | active |
| googleapis/google-cloud-java The official Google Cloud Client Library for Java, providing idiomatic Java clients for Google Cloud Platform services such as BigQuery, Cl… | 99 | 2090 | stable |
| sanluan/PublicCMS PublicCMS is an open-source Java content management system built on Spring Boot, FreeMarker, and Hibernate Search, designed to support tens… | 98 | 2089 | active |
| ehcache/ehcache3 Ehcache 3 is Java's most widely-used open-source caching library, offering a type-safe API, full JSR-107 (JCache) compliance, and tiered st… | 72 | 2085 | stable |
| prajwalch/TorrentSearch TorrentSearch is an Android app that searches torrents across multiple providers simultaneously, with category filters, detailed results, b… | 86 | 2084 | active |
| brendon/acts_as_list A Ruby on Rails ActiveRecord plugin that adds list management capabilities to models via an integer position column. It provides methods fo… | 72 | 2082 | active |
| Foso/Ktorfit Ktorfit is an HTTP client generator for Kotlin Multiplatform that uses KSP (Kotlin Symbol Processing) to create type-safe API clients from … | 95 | 2081 | active |
| macrozheng/mall-tiny mall-tiny is a rapid development scaffold based on SpringBoot and MyBatis-Plus with complete role-based permission management built in. It … | 57 | 2081 | active |
| IzzelAliz/Arclight Arclight is a hybrid Minecraft server implementation that runs Bukkit/Spigot plugins alongside Forge, NeoForge, or Fabric mods using Mixin.… | 73 | 2080 | active |
| oss-review-toolkit/ort The OSS Review Toolkit (ORT) is a FOSS policy automation toolkit that analyzes project dependencies, scans licenses and copyrights, checks … | 95 | 2075 | active |
| gnembon/fabric-carpet Fabric Carpet is a Minecraft mod for the Fabric mod loader that gives technical players and server operators fine-grained control over vani… | 94 | 2072 | active |
| linkedin/kafka-monitor Xinfra Monitor (formerly Kafka Monitor) is a Java framework for running long-running Kafka system tests and monitoring Kafka cluster health… | 27 | 2064 | active |
| subhra74/xdm Xtreme Download Manager (XDM) is a cross-platform desktop application that accelerates downloads up to 5x via dynamic file segmentation and… | 23 | 7888 | maintenance |
| JakeWharton/hugo Hugo is an Android library and Gradle plugin that adds automatic method call logging via a @DebugLog annotation. It logs method entry with … | 32 | 7887 | maintenance |