platform: jvm
3641 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| OpenDDS/OpenDDS OpenDDS is an open-source C++ implementation of the OMG Data Distribution Service (DDS) specification for real-time publish-subscribe data … | 86 | 1513 | active |
| Teneted/Tenet Tenet (formerly Mohist/Thermos/Cauldron/MCPC+) is a Minecraft Forge hybrid server that implements the Spigot/Bukkit plugin API, allowing Fo… | 51 | 1512 | active |
| Tapadoo/Alerter Alerter is an Android library written in Kotlin that displays customisable alert views overlaid on the window's decor view, as an alternati… | 23 | 5503 | maintenance |
| ActsAsParanoid/acts_as_paranoid A Ruby on Rails plugin that adds soft-delete functionality to ActiveRecord models, hiding records instead of deleting them so they can be r… | 76 | 1508 | active |
| danikula/AndroidVideoCache AndroidVideoCache is a Java library that adds disk caching to any Android video player (VideoView, MediaPlayer, ExoPlayer) via a local HTTP… | 23 | 5485 | maintenance |
| reactor/BlockHound BlockHound is a Java agent that detects blocking calls (like IO or Thread.sleep) made from threads marked as non-blocking, such as Reactor'… | 87 | 1506 | stable |
| kenglxn/QRGen QRGen is a simple Java QR code generation library built as a wrapper on top of ZXING, with a fluent API for creating QR codes as files or s… | 52 | 1505 | stable |
| CanHub/Android-Image-Cropper A Kotlin image cropping library for Android, optimized for images picked from the camera or gallery. It provides a customizable CropImageVi… | 65 | 1504 | active |
| clojure/core.logic A logic programming library for Clojure and ClojureScript implementing miniKanren with Prolog-like relational and constraint logic programm… | 59 | 1504 | stable |
| evant/kotlin-inject kotlin-inject is a compile-time dependency injection library for Kotlin that generates component implementations via KSP annotations. It pr… | 59 | 1503 | active |
| emilsjolander/StickyListHeaders An Android library that adds sticky section headers to ListView, mimicking the Ice Cream Sandwich People app and iOS list behavior. It prov… | 23 | 5463 | maintenance |
| softwaremill/sttp sttp is a popular open-source HTTP client library for Scala with a clean, type-safe request description API. It supports synchronous, Futur… | 97 | 1502 | active |
| projectnessie/nessie Project Nessie is a transactional catalog for data lakes that provides Git-like branching, tagging, and cross-table transactions for Apache… | 98 | 1497 | active |
| apache/inlong Apache InLong is a one-stop, full-scenario integration framework for massive data, supporting data ingestion, synchronization, and subscrip… | 90 | 1497 | stable |
| twofas/2fas-android The official open-source Android app for 2FAS, a two-factor authentication service that generates one-time passwords (TOTP and HOTP) for se… | 86 | 1497 | active |
| Petterpx/FloatingX FloatingX is a Kotlin library for Android that provides flexible floating window functionality, supporting system overlays (with permission… | 66 | 1496 | active |
| locationtech/geomesa GeoMesa is an open-source suite of JVM-based tools for large-scale geospatial querying and analytics on distributed computing systems. It p… | 78 | 1494 | active |
| elixir-horde/horde Horde is an Elixir library providing a distributed supervisor (Horde.DynamicSupervisor) and distributed registry (Horde.Registry) built on … | 70 | 1494 | active |
| AutohomeCorp/frostmourne Frostmourne is a distributed monitoring and alerting platform built by Autohome that monitors data from Elasticsearch, Prometheus, SkyWalki… | 57 | 1494 | active |
| sockeqwe/mosby Mosby is a Java library providing Model-View-Presenter (MVP) and Model-View-Intent (MVI) architecture patterns for Android apps. It include… | 23 | 5426 | maintenance |
| beehive-lab/TornadoVM TornadoVM is a Java programming framework that JIT-compiles JVM bytecode into GPU kernels targeting NVIDIA CUDA, OpenCL, and Apple Metal at… | 97 | 1491 | active |
| dremio/dremio-oss Dremio is an open-source data lakehouse platform that lets users query and analyze data across data lakes, object storage, and databases wi… | 52 | 1491 | active |
| stealthcopter/AndroidNetworkTools A Java library for Android providing handy networking utilities such as port scanning, subnet device discovery, ping, and Wake-on-LAN. It f… | 23 | 1490 | active |
| mitre/HTTP-Proxy-Servlet A single-file Java servlet that acts as an HTTP reverse proxy, built on Apache HttpClient. It lets Java web applications forward requests t… | 60 | 1489 | stable |
| scalameta/scalafmt Scalafmt is a code formatter for Scala that enforces consistent style across a codebase. It is configurable via a .scalafmt.conf HOCON file… | 97 | 1488 | stable |
| ninia/jep Jep is a library that embeds CPython in the Java Virtual Machine through JNI, allowing Java applications to run Python code and use Python … | 90 | 1488 | active |
| DimensionDev/Flare Flare is an open-source, privacy-first social media client that unifies Mastodon, Misskey, Bluesky, X, Pixiv, Fanbox, Nostr, and RSS into a… | 91 | 1486 | active |
| json4s/json4s 4s is a Scala JSON library providing a common JSON AST (JValue) with parsing, formatting, and transformation utilities. It originated as a … | 76 | 1485 | stable |
| kalessil/phpinspectionsea Php Inspections (EA Extended) is an open-source static code analysis tool distributed as a PhpStorm/IntelliJ IDEA plugin. It detects archit… | 73 | 1485 | active |
| CameraKit/camerakit-android CameraKit is an Android library that wraps the Camera 1 and Camera 2 APIs behind a reliable CameraView component for photo and video captur… | 23 | 5387 | maintenance |
| facebookarchive/rebound Rebound is a Java library from Facebook that models spring dynamics for creating natural, physics-based animations. It is a lightweight bui… | 10 | 5386 | maintenance |
| licheedev/Android-SerialPort-API An Android library for serial port (RS232/UART) communication, forked from Google's open-source android-serialport-api demo and modernized … | 23 | 1482 | active |
| bwssytems/ha-bridge ha-bridge is a Java-based home automation bridge that emulates a Philips Hue light system, allowing voice assistants like Amazon Echo and h… | 41 | 1481 | active |
| kivy/pyjnius PyJNIus is a Python library that lets Python code access and call Java classes through the Java Native Interface (JNI). It is maintained by… | 69 | 1480 | active |
| google/flogger Flogger is a fluent logging API for Java developed by Google, designed as a unified replacement for the many logging APIs used across large… | 67 | 1480 | stable |
| MultiPaper/MultiPaper MultiPaper is a fork of Purpur (Paper) for Minecraft that lets a single world run across multiple coordinated Minecraft servers, with a Mul… | 33 | 1475 | active |
| apache/ratis Apache Ratis is a highly customizable Java library implementing the Raft consensus protocol for managing replicated logs and state. It offe… | 77 | 1474 | stable |
| msgpack/msgpack-java MessagePack serializer implementation for the JVM, providing fast and compact binary serialization as an alternative to JSON. It supports a… | 84 | 1473 | stable |
| protegeproject/protege Protege Desktop is a free, open-source ontology editor supporting the OWL 2.0 standard, built in Java with a pluggable architecture. It is … | 71 | 1473 | active |
| googleapis/google-api-java-client Google's Java client library for accessing HTTP-based APIs, including generated libraries for Google APIs. It provides OAuth 2.0 support, l… | 77 | 1472 | stable |
| shuanx/BurpAPIFinder BurpAPIFinder is a Burp Suite extension written in Java that passively analyzes HTTP traffic (HTML and JS files) to discover hidden API end… | 15 | 1472 | active |
| datalevin/datalevin Datalevin is a durable Datalog database built on LMDB that unifies relational, graph, document, key-value, full-text, and vector search in … | 98 | 1470 | active |
| 1095071913/maozi-cloud maozi-cloud is an open-source scaffold built on Spring Cloud Alibaba and Dubbo that packages a full suite of distributed application compon… | 89 | 1470 | active |
| Netflix/mantis Mantis is a Netflix open-source stream processing platform written in Java for building realtime, cost-effective, operations-focused applic… | 67 | 1470 | active |
| VazkiiMods/Botania Botania is an open-source Minecraft mod that adds a tech-style progression system themed around natural magic, centered on magical flowers … | 95 | 1469 | active |
| softwaremill/tapir Tapir is a Scala library for describing HTTP APIs declaratively with type-safe endpoint definitions. Endpoints can be exposed as servers, c… | 94 | 1469 | active |
| javakam/FileOperator An Android file operations library covering file creation/deletion/copying, opening files and directories, MIME types, MediaStore and SAF h… | 32 | 1469 | active |
| jhipster/jhipster-sample-app A sample full-stack application generated by JHipster, combining a Java Spring Boot backend with an Angular TypeScript frontend. It serves … | 73 | 1468 | active |
| h6ah4i/android-advancedrecyclerview An Android RecyclerView extension library providing advanced list interactions such as swipe-to-dismiss, drag-and-drop sorting, and expanda… | 23 | 5314 | maintenance |
| filodb/FiloDB FiloDB is a distributed, in-memory, Prometheus-compatible time series database written in Scala, designed for real-time ingestion of metric… | 67 | 1467 | active |
| linkerd/linkerd Linkerd 1.x is a transparent service mesh proxy for HTTP, gRPC, and Thrift traffic, built on Netty and Finagle, that provides load balancin… | 23 | 5309 | maintenance |
| GeorgeKaraszi/ActiveRecordExtended A Ruby gem that extends ActiveRecord with additional PostgreSQL-specific query capabilities such as array predicates, inet/IP matching, CTE… | 80 | 1466 | active |
| XRecyclerView/XRecyclerView An Android library that extends RecyclerView with pull-to-refresh, load-more, and header support while remaining API-compatible with the st… | 32 | 5295 | maintenance |
| hawtio/hawtio Hawtio is a lightweight, modular web console for managing Java (JVM) applications, with built-in plugins for JMX, Apache Camel, Spring Boot… | 95 | 1462 | active |
| libktx/ktx KTX is a collection of modular Kotlin extensions for the libGDX game framework, leveraging Kotlin features like coroutines, type-safe build… | 36 | 1462 | active |
| c0ny1/passive-scan-client A Burp Suite extension written in Java that forwards passive scanning traffic to external passive vulnerability scanners (like xray, w13sca… | 23 | 1462 | stable |
| citerus/dddsample-core The official Domain-Driven Design (DDD) sample application, a joint effort by Eric Evans' Domain Language and Citerus, originally hosted on… | 43 | 5287 | maintenance |
| opendiffy/diffy Diffy is a differential testing tool that sends identical requests to a candidate service and a reference (primary/secondary) service, then… | 60 | 1461 | active |
| PortSwigger/param-miner Param Miner is a Burp Suite extension that identifies hidden, unlinked HTTP parameters, headers, and cookies using diffing logic and binary… | 78 | 1460 | active |
| batfish/batfish Batfish is an open-source network configuration analysis tool that builds complete models of network behavior from device configurations to… | 67 | 1460 | active |
| mikepenz/Android-Iconics An Android library that lets developers use any icon font or vector (.svg) as a Drawable in their app, with full customization of size, col… | 87 | 5272 | maintenance |
| Hello-hao/Tbed Hellohao Image Hosting (Tbed) is an open-source, self-hosted image hosting application built with Java and SpringBoot using a front-end/bac… | 67 | 1457 | active |
| helge17/tuxguitar TuxGuitar is an open source multitrack guitar tablature editor and player written in Java. It can open Guitar Pro, Power Tab Editor, TablEd… | 87 | 1456 | active |
| ModelEngine-Group/app-platform AppPlatform is a self-hosted low-code platform for building, orchestrating, debugging, and deploying large language model applications such… | 76 | 1455 | active |
| j-easy/easy-rules Easy Rules is a lightweight Java rules engine that provides a Rule abstraction with conditions and actions plus a RulesEngine API to evalua… | 23 | 5258 | maintenance |
| evant/gradle-retrolambda A Gradle plugin that integrates Retrolambda to backport Java 8 lambda expressions to Java 6/7 bytecode, including Android projects. It comp… | 23 | 5253 | maintenance |
| lingochamp/okdownload OkDownload is a reliable, flexible, fast and powerful download engine for Android/JVM, successor to FileDownloader. It supports parallel ch… | 23 | 5244 | maintenance |
| dcm4che/dcm4che dcm4che is a Java toolkit and library implementing the DICOM standard for medical imaging, including data set handling, network communicati… | 91 | 1450 | active |
| dadoonet/fscrawler FSCrawler is a Java-based file system crawler that indexes binary documents (PDF, MS Office, Open Office) into Elasticsearch, tracking new,… | 88 | 1450 | active |
| trakt/showly Showly is a modern, open-source Android and iOS app for tracking TV shows and movies, built with Kotlin. It integrates with Trakt.tv, TMDB,… | 89 | 1449 | active |
| ff4j/ff4j FF4J is a Java library implementing the Feature Toggle pattern, letting teams enable and disable features at runtime without redeployments.… | 85 | 1449 | active |
| binarywang/weixin-java-miniapp-demo A Spring Boot demo application showcasing the WxJava library for building WeChat Mini Program backends in Java. It supports multiple mini p… | 61 | 1449 | active |
| pili-engineering/PLDroidMediaStreaming PLDroidMediaStreaming is Qiniu's Android SDK for RTMP live streaming, supporting H.264/H.265 and AAC encoding in both software and hardware… | 23 | 1449 | active |
| brianfrankcooper/YCSB The Yahoo! Cloud Serving Benchmark (YCSB) is a Java framework and CLI tool for benchmarking NoSQL and cloud data stores against standardize… | 66 | 5229 | maintenance |
| apache/hop Apache Hop is an open-source data and metadata orchestration platform for visually designing and running data integration pipelines and wor… | 94 | 1447 | active |
| GoogleCloudPlatform/bank-of-anthos Bank of Anthos is a sample HTTP-based web application that simulates a retail bank's payment processing network, letting users create accou… | 88 | 1447 | active |
| huangyanbin/smartTable SmartTable is an Android library that automatically generates configurable, feature-rich tables from annotated Java objects, Lists, JSON, o… | 23 | 5226 | maintenance |
| jenkinsci/gitlab-plugin A Jenkins plugin that integrates GitLab with Jenkins CI. It triggers Jenkins builds from GitLab webhooks (pushes, merge requests, tags) and… | 99 | 1444 | active |
| Yalantis/Side-Menu.Android An Android library by Yalantis that provides an animated side menu (navigation drawer) with category items, using CircularReveal animations… | 23 | 5205 | maintenance |
| googleapis/google-http-java-client Google's flexible and efficient Java library for making HTTP requests to any resource on the web. It features a pluggable transport abstrac… | 90 | 1441 | stable |
| facebook/SoLoader SoLoader is a native code loader library for Android that unpacks native libraries and recursively loads their dependencies. It primarily t… | 79 | 1438 | stable |
| palexdev/MaterialFX MaterialFX is an open-source Java library providing Material Design styled UI components for JavaFX applications. It offers modern controls… | 66 | 1438 | active |
| ucb-bar/gemmini Gemmini is Berkeley's open-source generator for parameterizable systolic-array DNN hardware accelerators, written in Chisel (Scala) and int… | 63 | 1436 | active |
| cyb3rko/flashdim FlashDim is a modern open-source Android flashlight app with multi-level brightness dimming support on Android 13+. It is built in Kotlin w… | 95 | 1431 | active |
| mongodb/mongo-ruby-driver The officially supported Ruby driver for MongoDB, distributed as the 'mongo' gem. It provides connectivity and CRUD operations against Mong… | 93 | 1431 | stable |
| erickok/transdroid Transdroid is an Android application for managing torrents remotely from your device. It connects to popular torrent clients like µTorrent,… | 94 | 1430 | active |
| bootique/bootique Bootique is a minimally opinionated Java framework and launcher for building container-less runnable applications as collections of modules… | 76 | 1429 | active |
| six2dez/burp-ai-agent Custom AI Agent (formerly Burp AI Agent) is a Burp Suite extension written in Kotlin that integrates LLMs into web security workflows via l… | 82 | 1427 | stable |
| kamon-io/Kamon Kamon Telemetry is a set of open-source libraries for instrumenting JVM applications (Java, Scala, Kotlin) to collect metrics, distributed … | 67 | 1426 | active |
| wgzhao/Addax Addax is a fast, extensible ETL tool for synchronizing data between heterogeneous SQL and NoSQL data sources, forked and evolved from Aliba… | 98 | 1425 | active |
| opendatadiscovery/odd-platform ODD Platform is an open-source data discovery and observability platform that provides a federated data catalog, end-to-end data and micros… | 92 | 1425 | active |
| lanlinju/Animius Animius is a clean, minimalist Android app for watching anime, built with Jetpack Compose and Kotlin. It supports danmaku (bullet comments)… | 82 | 1425 | active |
| yinwang0/pysonar2 PySonar2 is a Java library that performs interprocedural type inference and semantic indexing of Python codebases. The resulting index powe… | 64 | 1425 | active |
| f0ng/autoDecoder A Burp Suite extension (written in Java) that lets users plug in custom encryption/decryption logic so intercepted HTTP traffic can be view… | 78 | 1424 | active |
| natario1/CameraView CameraView is a well-documented, high-level Android library that simplifies capturing pictures and videos, wrapping Camera1 and Camera2 API… | 23 | 5125 | maintenance |
| Melledy/LunarCore LunarCore is a Java-based game server reimplementation for a certain turn-based anime game (Honkai: Star Rail), supporting version 4.2.0 fo… | 70 | 1423 | active |
| dry-rb/dry-validation dry-validation is a Ruby library for data validation using type-safe schemas and composable rules. It supports input coercion, nested data,… | 70 | 1422 | active |
| nsh07/Tomato Tomato is a minimalist, data-oriented Pomodoro timer app built with Kotlin Multiplatform and Compose, featuring a Material 3 Expressive UI.… | 77 | 1421 | active |
| Kotlin/kotlinx.collections.immutable A Kotlin Multiplatform library providing immutable and persistent collection interfaces and efficient implementations (lists, sets, maps) w… | 85 | 1417 | active |
| apache/jena Apache Jena is a free and open-source Java framework for building Semantic Web and Linked Data applications. It provides an RDF API, a SPAR… | 77 | 1417 | stable |