platform: jvm
3641 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| torlando-tech/columba Columba is a native Android messaging and voice call app for the Reticulum network, sending LXMF messages and making LXST calls without int… | 82 | 1116 | active |
| luoyesiqiu/dpt-shell dpt-shell is an Android Dex protection shell that hollows out DEX method implementations and reconstructs them at runtime to protect APK/AA… | 100 | 1115 | active |
| ezylang/EvalEx EvalEx is a Java library for parsing and evaluating mathematical, boolean, string, date-time, array, and structure expressions. It uses Big… | 87 | 1115 | stable |
| yahoo/TensorFlowOnSpark TensorFlowOnSpark is a Python library that lets existing TensorFlow programs run distributed training and inference on Apache Spark and Had… | 23 | 3845 | maintenance |
| platonai/Browser4 Browser4 is an AI-native browser engine built in Kotlin for autonomous agents, intelligent data extraction, and large-scale web automation.… | 100 | 1114 | active |
| Mammoth Mammoth is a library and CLI tool that converts .docx Word documents (from Word, Google Docs, LibreOffice) into clean, semantic HTML by map… | 75 | 1114 | active |
| apache/freemarker Apache FreeMarker is a Java template engine library that generates text output (HTML pages, emails, configuration files, source code) by me… | 77 | 1111 | stable |
| steve-community/steve SteVe is an open-source OCPP server implementation in Java for managing EV charging stations, charge points, user data, and RFID card authe… | 94 | 1109 | active |
| Kotlin/kotlinx-atomicfu AtomicFU is a Kotlin multiplatform library and compiler plugin providing idiomatic, efficient atomic operations and locks across JVM, Nativ… | 90 | 1109 | active |
| outlaws-bai/Galaxy Galaxy is a Burp Suite extension that automatically decrypts and re-encrypts HTTP traffic whose payloads are encrypted, letting testers wor… | 88 | 1109 | active |
| WirelessAlien/ZipXtract ZipXtract is a fully open-source Android app for extracting and creating archive files such as RAR, ZIP, 7z, TAR, GZ, BZ2, XZ, and many mor… | 86 | 1109 | active |
| makejavas/EasyCode EasyCode is an IntelliJ IDEA plugin that generates code from database tables using customizable Velocity templates. It can generate entitie… | 23 | 1109 | active |
| solkin/appteka-android Appteka is a free, open-source alternative app store for Android where users can discover, download, and share APKs, plus extract APKs from… | 98 | 1108 | active |
| taoensso/nippy Nippy is a fast, mature serialization library for Clojure, serving as a high-performance drop-in alternative to the Clojure reader for free… | 93 | 1108 | stable |
| wstrange/GoogleAuth GoogleAuth is a Java server-side library implementing the Time-based One-Time Password (TOTP) algorithm from RFC 6238, compatible with Goog… | 66 | 1108 | stable |
| PortSwigger/mcp-server A Burp Suite extension by PortSwigger that exposes Burp's capabilities to AI clients via the Model Context Protocol (MCP). It includes an S… | 70 | 1107 | active |
| RedApparat/Fotoapparat Fotoapparat is a Kotlin library that wraps Android's two camera APIs (Camera and Camera2) behind a single friendly, safe interface. It prov… | 23 | 3811 | maintenance |
| MZCretin/AutoUpdateProject An Android library that provides in-app app update functionality with 12 built-in update dialog styles and fully customizable UI. It suppor… | 51 | 1106 | active |
| MiguelCatalan/MaterialSearchView An Android library that implements a Material Design styled SearchView widget for apps targeting API 14 and above. It provides a toolbar-in… | 23 | 3808 | maintenance |
| Shopify/shopify-api-ruby ShopifyAPI is a lightweight Ruby gem for accessing the Shopify Admin REST and GraphQL APIs, including OAuth token creation and webhook regi… | 66 | 1105 | active |
| wartremover/wartremover WartRemover is a flexible Scala code linting tool implemented as a compiler plugin, with an sbt plugin for easy integration. It flags unsaf… | 68 | 1104 | active |
| mcMMO-Dev/mcMMO mcMMO is a Minecraft server plugin (Spigot/Paper/Folia) that adds an RPG layer with fourteen trainable skills, leveling, super abilities, l… | 67 | 1104 | active |
| leangen/graphql-spqr GraphQL SPQR is a Java library that dynamically generates a GraphQL schema from existing Java code, enabling code-first GraphQL API develop… | 52 | 1102 | active |
| zhangyd-c/OneBlog OneBlog is a self-hosted Java blog system built with Spring Boot and Bootstrap, featuring a full admin backend and responsive public-facing… | 28 | 1102 | active |
| shmuelzon/home-assistant-floor-plan A plugin for Sweet Home 3D that generates 3D rendered floor plan panels for Home Assistant dashboards. It renders images of your home showi… | 64 | 1101 | active |
| jackdark425/aigroupapp AI Group is an open-source Android mobile assistant app that integrates multiple large language models such as OpenAI, Claude, Gemini, ERNI… | 41 | 1101 | active |
| Multiverse/Multiverse-Core Multiverse-Core is the original Bukkit multi-world management plugin for Minecraft servers. It lets server admins create, import, delete, a… | 99 | 1100 | active |
| cljfx/cljfx Cljfx is a declarative, functional, and extensible Clojure wrapper around JavaFX for building desktop GUI applications on the JVM. It is in… | 88 | 1099 | active |
| sunfusheng/MarqueeView An Android UI library providing a MarqueeView widget that flips or scrolls text announcements vertically or horizontally. It supports custo… | 32 | 3779 | maintenance |
| intellij-solidity/intellij-solidity A Solidity language plugin for IntelliJ-based IDEs providing syntax highlighting, code completion, navigation, formatting, and file templat… | 70 | 1098 | active |
| apache/systemds Apache SystemDS is an open-source machine learning system covering the end-to-end data science lifecycle, from data cleaning and feature en… | 87 | 1097 | active |
| icerockdev/moko-mvvm moko-mvvm is a Kotlin Multiplatform library providing Model-View-ViewModel architecture components for mobile applications targeting Androi… | 23 | 1097 | stable |
| mpusher/mpush MPush is an open-source real-time message push system written in Java on Netty, with a modular server, SDKs for Android, iOS, Java, and Jav… | 23 | 3770 | maintenance |
| pgjdbc/r2dbc-postgresql The PostgreSQL implementation of the R2DBC SPI, providing a reactive, non-blocking driver for PostgreSQL on the JVM. It supports SCRAM/MD5 … | 92 | 1096 | stable |
| xiaoyvyv/bangumi A full-featured unofficial native Android client for bangumi.tv (bgm.tv), the anime/manga/game media tracking community site. It covers ess… | 94 | 1095 | active |
| OpenAPITools/openapi-diff A Java-based utility that compares two OpenAPI 3.x specifications and reports the differences. It can render diffs as HTML, Markdown, Ascii… | 87 | 1095 | active |
| timestored/qstudio qStudio is a free, open-source desktop SQL client and notebook for browsing servers, running queries, and charting or exporting results acr… | 66 | 1095 | active |
| NEZNAMY/TAB TAB is an all-in-one Minecraft server plugin for customizing the player tab list, nametags, scoreboards, and related header/footer displays… | 98 | 1094 | active |
| SonarOpenCommunity/sonar-cxx A SonarQube community plugin that adds C and C++ support to SonarQube, focusing on integrating existing C++ analysis tools. It parses C/C++… | 86 | 1094 | active |
| bardsoftware/ganttproject GanttProject is a free, open-source desktop project management application for creating Gantt charts, task hierarchies, and resource load c… | 68 | 1094 | active |
| CameraKit/blurkit-android BlurKit is an Android library for rendering fast, real-time blur effects behind layouts, similar to iOS blur views. It provides a BlurLayou… | 23 | 3760 | maintenance |
| DSpace/DSpace DSpace is an open-source digital asset management system that powers institutional repositories, providing durable access to digital resour… | 95 | 1093 | stable |
| apache/mina-sshd Apache MINA SSHD is a pure-Java library implementing the SSH protocol on both client and server sides, with pluggable I/O back-ends (built-… | 89 | 1093 | stable |
| CYQawa/YunX YunX (云析) is an Android app that parses cloud drive (netdisk) share links from services like Quark, UC, Thunder, Baidu, 139, and 123 Cloud,… | 79 | 1093 | active |
| collinsmith/riiablo Riiablo is an open-source remake of Diablo II built from scratch in Java using LibGDX, OpenGL, Flatbuffers, and Netty. It requires users to… | 23 | 1093 | active |
| Ereza/CustomActivityOnCrash An Android library that launches a custom error activity when the app crashes, replacing the default 'Unfortunately, X has stopped' system … | 23 | 3757 | maintenance |
| spring-projects/spring-hateoas Spring HATEOAS is a Java library that helps create REST representations following the HATEOAS principle, addressing link creation and repre… | 98 | 1091 | stable |
| EspressifApp/EsptouchForAndroid EspTouch is an Android library and app by Espressif that provisions ESP8266/ESP32 IoT devices by broadcasting the router's SSID and passwor… | 51 | 1090 | active |
| nikhilvishwakarma00/Velune Velune is a premium, ad-free third-party YouTube Music client for Android built with Kotlin and Jetpack Compose. It offers a faster, subscr… | 70 | 1089 | active |
| kingston-csj/jforgame jforgame is a lightweight, high-performance Java framework for building game servers, providing modular components for socket/WebSocket com… | 96 | 1088 | active |
| LyraVoid/FolkPatch FolkPatch is an Android root management application built on KernelPatch that grants root access by patching the boot partition, without re… | 80 | 1088 | active |
| openjdk/jol Java Object Layout (JOL) is a toolbox for analyzing object layout, memory footprint, and references inside JVMs. It uses Unsafe, JVMTI, and… | 61 | 1088 | active |
| diyhi/bbs Xunyun Light Forum is a self-hosted community forum and Q&A system built on JDK 21 and Spring Boot 4.x with a decoupled Vue 3 frontend. It … | 78 | 1085 | active |
| frankiesardo/icepick Icepick is an Android library that eliminates boilerplate for saving and restoring instance state using annotation processing. Fields annot… | 23 | 3720 | maintenance |
| stfalcon-studio/ChatKit ChatKit is an Android UI library by Stfalcon that provides ready-made, fully customizable components for building chat interfaces, includin… | 23 | 3720 | maintenance |
| yanzhenjie/NoHttp NoHttp is an Android HTTP framework implementing standard HTTP protocol with support for multiple caching modes and swappable network layer… | 32 | 3718 | maintenance |
| jonase/eastwood Eastwood is a lint tool for JVM Clojure that inspects namespaces and reports possible bugs. It uses tools.analyzer.jvm for compiler-accurat… | 32 | 1083 | active |
| Frege/frege Frege is a purely functional programming language for the JVM that is essentially Haskell, featuring a strong static type system with globa… | 64 | 3713 | maintenance |
| dromara/jquick-curl A Java library that parses raw curl commands (copied from Postman, Apifox, or browser DevTools) into executable HTTP requests, using ANTLR … | 86 | 1081 | active |
| apache/commons-io Apache Commons IO is a mature Java utility library that simplifies input/output operations with helper classes like IOUtils, FileUtils, and… | 77 | 1081 | stable |
| xerial/snappy-java A Java port of Google's Snappy fast compressor/decompressor, using JNI to achieve near-native performance. It bundles native libraries for … | 56 | 1081 | stable |
| mbechler/marshalsec marshalsec is a Java tool and research project that generates exploitation payloads for insecure unmarshalling across many Java marshalling… | 32 | 3708 | maintenance |
| broadinstitute/cromwell Cromwell is an open-source Workflow Management System from the Broad Institute that executes scientific workflows written in WDL (Workflow … | 80 | 1080 | active |
| jaygajera17/E-commerce-project-springBoot A Java e-commerce web application built with Spring Boot, JSP, Spring Security, and Hibernate, structured as a layered MVC project with MyS… | 69 | 1080 | active |
| hiparker/opsli-boot OPSLI is a low-code rapid development platform for building Java admin/back-office systems, built on Spring Boot with a Vue + Element UI fr… | 69 | 1079 | active |
| networknt/json-schema-validator A fast Java library for validating JSON and YAML documents against JSON Schema drafts v4, v6, v7, 2019-09, and 2020-12, built on the Jackso… | 95 | 1078 | active |
| gameyfin/gameyfin Gameyfin is a self-hosted web application that organizes video game collections into a browsable library, similar to Jellyfin for media. It… | 91 | 1078 | active |
| dingjikerbo/Android-BluetoothKit An Android BLE Bluetooth communication library that wraps the native Android Bluetooth API with a simple client interface. It supports devi… | 32 | 3695 | maintenance |
| ByteLegend/ByteLegend ByteLegend is a free, open-source multiplayer online RPG game where players learn real-world programming skills, primarily Java, by complet… | 32 | 3694 | maintenance |
| spring-ai-alibaba/Lynxe Lynxe (formerly JManus) is a Java-based, code-free 'Prompt Programming' studio implementing a Manus-style multi-agent system with high exec… | 76 | 1077 | active |
| BlackyHawky/Clock A customizable, privacy-first, open-source Android clock app inspired by AOSP Clock, offering alarms, world clock, timer, stopwatch, widget… | 94 | 1075 | active |
| beam-community/stripity-stripe An Elixir library providing a client for the Stripe payment processing API. It supports configurable API keys, per-request API version pinn… | 93 | 1075 | active |
| xiaogang000/XG_NTAI A Java-based GUI tool for generating obfuscated webshell payloads (ASP, PHP, JSP, JSPX) that evade WAF and antivirus detection, compatible … | 37 | 1075 | active |
| broadinstitute/picard Picard is a set of Java command line tools from the Broad Institute for manipulating high-throughput sequencing data in formats such as SAM… | 85 | 1074 | stable |
| belaban/JGroups JGroups is a Java toolkit for reliable group communication and messaging between cluster nodes. It provides configurable protocol stacks co… | 77 | 1074 | stable |
| apache/ranger Apache Ranger is a framework to enable, monitor, and manage comprehensive data security across the Hadoop platform and beyond. It provides … | 77 | 1074 | stable |
| linkedin/databus Databus is LinkedIn's source-agnostic distributed change data capture (CDC) system that reliably captures and streams primary data store ch… | 32 | 3679 | maintenance |
| spotify-web-api-java/spotify-web-api-java A Java wrapper/client library for Spotify's Web API, published on Maven Central. It provides typed request and response objects covering Sp… | 80 | 1073 | active |
| lisawray/groupie Groupie is an Android library that simplifies building complex RecyclerView layouts by treating content as logical groups with automatic ch… | 23 | 3674 | maintenance |
| Winds-Studio/Leaf Leaf is a high-performance fork of the Paper Minecraft server software, balancing performance optimizations, vanilla mechanics, and stabili… | 100 | 1072 | active |
| IQSS/dataverse Dataverse is an open source research data repository platform for sharing, finding, citing, and preserving research data, developed at Harv… | 93 | 1072 | active |
| mateaix/mateclaw MateClaw is a self-hosted, team-oriented AI agent platform ('second brain') built on Spring Boot and Spring AI Alibaba, shipped as a single… | 82 | 1072 | active |
| fizzgate/fizz-gateway-node FizzGate is a Java-based cloud-native aggregation API gateway for microservice deployments, offering hot service orchestration, routing, au… | 63 | 1072 | active |
| polysemy-research/polysemy Polysemy is a Haskell library for building higher-order, low-boilerplate effect systems (extensible effects), letting you write domain-spec… | 28 | 1072 | stable |
| ngs-doo/dsl-json DSL-JSON is a high-performance JSON serialization library for the JVM (Java, Kotlin, Scala, Android) with compile-time databinding via anno… | 63 | 1071 | active |
| spring-cloud/spring-cloud-stream Spring Cloud Stream is a Java framework for building event-driven microservices connected via messaging systems like Kafka and RabbitMQ. It… | 95 | 1070 | active |
| mqttsnet/thinglinks ThingLinks is an enterprise-grade, multi-tenant SaaS IoT platform built on Spring Cloud microservices with a Netty/BifroMQ-based engine sup… | 88 | 1070 | active |
| google/rejoiner A Java library from Google that generates a unified GraphQL schema from gRPC microservices and other Protobuf sources. It maps GraphQL quer… | 10 | 3658 | maintenance |
| lensesio/stream-reactor Stream Reactor is a collection of Apache 2.0 licensed Kafka Connect sinks and sources maintained by Lenses.io since 2016. It provides conne… | 95 | 1068 | active |
| zk/clojuredocs The web application powering clojuredocs.org, a community-powered documentation and examples site for the Clojure programming language. It … | 32 | 1068 | active |
| rosuH/AndroidFilePicker AndroidFilePicker is a lightweight, fast file selector library for Android that lets apps browse and pick local files with a single line of… | 23 | 1068 | stable |
| yangfuhai/ASimpleCache ASimpleCache is a lightweight open-source caching framework for Android and Java that fits in a single Java file. It caches strings, JSON o… | 32 | 3656 | maintenance |
| valentinilk/compose-shimmer A Kotlin library providing a shimmering animation effect for Jetpack Compose and Compose Multiplatform, applied via a simple Modifier.shimm… | 85 | 1067 | active |
| KunMinX/Linkage-RecyclerView An Android library providing a two-level linked (linkage) RecyclerView, like the category-to-item list used in food delivery apps such as E… | 32 | 3643 | maintenance |
| Kotlin/dataframe Kotlin DataFrame is a typesafe in-memory structured data processing library for the JVM, reconciling Kotlin's static typing with dynamic da… | 90 | 1064 | active |
| luben/zstd-jni JNI bindings for the Zstandard (Zstd) lossless compression library, usable from Java and all JVM languages including Android. It exposes st… | 77 | 1063 | stable |
| getrebuild/rebuild REBUILD is a highly configurable, open-source (GPL-3.0) enterprise management system built in Java/Spring Boot that lets organizations buil… | 100 | 1061 | active |
| apache/celeborn Apache Celeborn is an elastic, high-performance intermediate data service for big data compute engines, focused on managing shuffle and spi… | 95 | 1061 | active |
| java-up-up/damai A high-concurrency online ticket booking system (modeled after Damai/大麦网) built with SpringCloud, SpringCloud Alibaba, Kafka, Redis, Sentin… | 67 | 1061 | active |
| apache/phoenix Apache Phoenix is a SQL layer over Apache HBase delivered as a client-embedded JDBC driver, compiling standard SQL queries into low-latency… | 88 | 1060 | active |