Ross ROSS = Recommend OSS · open-source software intelligence for agents

Open-source jvm software

3686 open-source libraries, tools and applications tagged jvm, ranked by how closely jvm is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.

3686 products, primary matches first, then adoption-weighted; health v2 shown.

ProductHealth v2StarsMaturity
JeeSite
JeeSite is a Java low-code rapid development platform built on Spring Boot, MyBatis, and Flowable, with a Vue 3 + TypeScript + Ant Design V…
931804active
AppliedEnergistics/Applied-Energistics-2
Applied Energistics 2 is a Minecraft mod focused on matter/energy-based digital storage, automation, and auto-crafting. It provides network…
931803active
datafaker-net/datafaker
Datafaker is a JVM library for generating fake data in Java, Kotlin, and Groovy, offering 250+ data providers covering names, addresses, da…
901803active
Meituan-Dianping/Leaf
Leaf is a distributed unique ID generation service from Meituan offering segment (database-based) and snowflake (ZooKeeper-based) modes, de…
326765maintenance
Timefold Solver
Timefold Solver is an open-source, embeddable constraint satisfaction and optimization engine for Java and Kotlin, continuing Red Hat's Opt…
961799active
microsoft/Recognizers-Text
Microsoft.Recognizers-Text is a multilingual library for recognizing and resolving entities such as numbers, units, and date/time expressio…
611799stable
taoensso/sente
Sente is a client+server realtime web communications library for Clojure and ClojureScript, inspired by Socket.IO. It provides a unified hi…
791793active
ReSukiSU/ReSukiSU
ReSukiSU is a KernelSU-based root solution for Android, forked from SukiSU Ultra with a focus on enhanced stability. It provides kernel-lev…
691792active
RuoYi
RuoYi-Cloud is an open-source Chinese rapid development platform providing a distributed microservices-based permission management system b…
761791active
linkedin/ambry
Ambry is a distributed object store from LinkedIn designed to store and serve trillions of small immutable objects (50K-100K) as well as bi…
681787active
GitAnimals
GitAnimals is a gamification service that lets GitHub users raise virtual pets based on their commit and contribution activity, rendered as…
601787active
apache/storm
Apache Storm is a free and open-source distributed realtime computation system for processing unbounded streams of data, providing primitiv…
976696maintenance
19MisterX98/SeedcrackerX
SeedCrackerX is a Fabric mod for Minecraft that reverse-engineers the world seed of a server from in-game structural and terrain data. It i…
851784active
Lets-Plot
Lets-Plot is a multiplatform plotting library based on the Grammar of Graphics, offering a faithful port of R's ggplot2 to Python and Kotli…
861783active
gettalong/kramdown
kramdown is a fast, pure-Ruby library for parsing and converting a superset of Markdown (including GFM and PHP Markdown Extra extensions) t…
481782stable
zouzg/mybatis-generator-gui
A JavaFX-based GUI tool built on top of MyBatis Generator that lets developers generate MyBatis Java POJOs and database mapping files throu…
236677maintenance
R4gd0ll/I-Wanna-Get-All
A comprehensive Java post-exploitation vulnerability exploitation tool integrating 470 exploit modules for detection and attack of known vu…
541781active
jooby-project/jooby
Jooby is a modular, high-performance web framework for Java and Kotlin that runs on Netty, Jetty, or Undertow. It offers both a fluent Scri…
961780active
ron190/jsql-injection
jSQL Injection is a free, open-source Java application for automatic SQL database injection, used to find and extract database information …
811780active
skydoves/sandwich
Sandwich is a lightweight Kotlin library that provides sealed ApiResponse types for modeling and handling API responses and exceptions from…
911779stable
GrimAnticheat/Grim
GrimAC is an open-source Minecraft anticheat plugin that detects cheats by simulating real client movement with fully asynchronous, multith…
801775active
metosin/malli
Malli is a high-performance, data-driven data specification library for Clojure and ClojureScript. It provides schema definitions as plain …
941774active
typelevel/spire
Spire is a numeric library for Scala providing powerful new number types (like Rational, Complex, and more) and generic numeric abstraction…
621772active
JesusFreke/smali
smali/baksmali is an assembler and disassembler for the dex bytecode format used by Android's Dalvik VM. It converts dex files to human-rea…
106625maintenance
npgall/cqengine
CQEngine (Collection Query Engine) is a high-performance Java library that allows SQL-like queries to be executed against Java collections …
321769stable
yanzhenjie/AndPermission
AndPermission is an Android library that simplifies requesting runtime permissions and special permissions like installing unknown-source A…
326619maintenance
PatilShreyas/NotyKT
NotyKT is a full-stack Kotlin note-taking application combining a Ktor-based REST API backend with a modern Android client. It serves as a …
541767active
j3ers3/Hello-Java-Sec
A deliberately vulnerable Java Spring Boot application demonstrating common web vulnerabilities (SQLi, XSS, RCE, deserialization, SSTI, SSR…
241767active
Genie
Genie is a federated distributed job orchestration and execution engine developed by Netflix, exposing REST APIs to run big data jobs like …
641766active
Sketchware Pro
Sketchware Pro is a free, open-source Android app builder that lets users create native Android applications entirely from their smartphone…
681763active
angcyo/DslTabLayout
DslTabLayout is a highly customizable Android tab layout library written in Kotlin, built as a custom-drawn ViewGroup rather than a composi…
591763active
sqlancer/sqlancer
SQLancer is a Java-based automated testing tool that finds logic and performance bugs in database management systems. It generates SQL test…
681761active
KairosDB
KairosDB is a fast, distributed, scalable time series database written in Java and built on top of Cassandra. It stores and queries metrics…
511761active
qi4L/JYso
JYso is a Java-based offensive security tool that combines the capabilities of ysoserial (Java deserialization gadget generation) and JNDIE…
771759active
apache/eventmesh
Apache EventMesh is a cloud-native, serverless event middleware for building distributed event-driven applications. It provides a unified C…
731758active
nguyenq/tess4j
Tess4J is a Java JNA wrapper for the Tesseract OCR API, enabling optical character recognition in Java applications. It supports TIFF, JPEG…
851757stable
GraalVM
GraalVM CE builds is the official distribution repository of GraalVM Community Edition binaries built on OpenJDK. GraalVM is a high-perform…
931755active
Kotlin/kotlinx.html
kotlinx.html is an official JetBrains Kotlin library providing a type-safe DSL for building HTML, either streaming to a Writer/Appendable o…
631755stable
apache/plc4x
Apache PLC4X is a set of multi-language libraries (Java, Go, Python, C/C++, .NET) providing a unified API for communicating with industrial…
971754stable
datastax/jvector
JVector is an embedded approximate nearest neighbor (ANN) search engine for the JVM, implementing a graph index that merges HNSW's hierarch…
901754active
standard-webhooks/standard-webhooks
Standard Webhooks is an open specification plus reference libraries and tools for sending and verifying webhooks securely and consistently.…
821754active
BIMserver
BIMserver is an open-source, model-driven server platform for storing, managing, and querying Building Information Modeling (BIM) data in t…
541754active
bytedance/appshark
AppShark is a static taint analysis platform written in Kotlin that scans Android APKs for security vulnerabilities and compliance issues. …
661753active
foundweekends/giter8
Giter8 is a command line tool that generates files and directories from templates published on GitHub or any other Git repository. It is im…
671751active
LuxLang/lux
Lux is a functional, statically-typed Lisp programming language with a compiler that targets the JVM, JavaScript, Python, Lua, and Ruby. It…
691748active
LemonAppDev/konsist
Konsist is a structural linter and static code analyzer for Kotlin that enforces codebase consistency and architecture rules. Checks are wr…
981746active
88250/solo
Solo is a small, elegant Java-based blogging platform designed for programmers, part of the B3log distributed community network. It support…
651746active
vanniktech/gradle-maven-publish-plugin
A Gradle plugin that automates publishing Java, Kotlin, Android, and Kotlin Multiplatform libraries to Maven Central or any Nexus instance,…
881745active
Android-skin-support
Android-skin-support is an Android dynamic skinning (theme switching) library that lets apps change their look at runtime with a single lin…
326510maintenance
Ansj Chinese Segmentation
A Java library for Chinese word segmentation based on n-Gram+CRF+HMM, achieving ~2 million characters/second with 96%+ accuracy. It also pr…
236506maintenance
whitfin/cachex
Cachex is a fast in-memory key/value caching library for Elixir with optional features like TTL expiration, size limits, transactions, hook…
541743stable
MightyPirates/OpenComputers
OpenComputers is a Minecraft mod that adds programmable computers, robots, and peripherals to the game, powered by a persistent Lua 5.2 run…
101743active
kiegroup/jbpm
jBPM is an open-source Business Process Management (BPM) suite written in pure Java for automating business processes and decisions using B…
691741active
datageartech/datagear
DataGear is an open-source, self-hosted data visualization and analysis platform for freely building interactive data dashboards. It connec…
771740active
Open Bank Project
An open-source RESTful API platform for banks that exposes accounts, transactions, payments, counterparties, entitlements and metadata, sup…
761740active
AWS Config Rules Development Kit (RDK)
A community repository of sample custom AWS Config rules written in Python, Node.js, and Java. These Lambda-based rules evaluate AWS resour…
761739active
mit-cml/appinventor-sources
MIT App Inventor is a visual, block-based programming platform that lets users build Android applications without writing traditional code.…
751739active
pgjdbc/pgjdbc
PgJDBC is the official open-source PostgreSQL JDBC driver, written in pure Java (Type 4) and communicating via the PostgreSQL native networ…
881737stable
BallCat
BallCat is a Java/Spring Boot rapid development scaffold for building enterprise-grade admin management systems, with companion frontend pr…
791733active
GitLiveApp/firebase-kotlin-sdk
A Kotlin-first, multiplatform SDK for Firebase that wraps Firebase services (Auth, Firestore, Realtime Database, Functions, Analytics, Mess…
971732active
fthomas/refined
refined is a Scala library for refinement types, letting you attach type-level predicates to base types so value constraints are checked at…
811732active
SpigotMC/BungeeCord
BungeeCord is a layer 7 proxy server that links multiple Minecraft servers together, teleporting players between them while maintaining con…
751731stable
yannecer/NCalendar
An Android calendar UI library written in Kotlin that mimics MIUI, DingTalk, and Huawei calendar styles. It supports month and week views w…
231726stable
apache/guacamole-client
Apache Guacamole client is the Maven-based superproject containing the HTML5 web application, official authentication extensions, and JavaS…
761723active
JLLeitschuh/ktlint-gradle
A Gradle plugin that wraps the ktlint Kotlin linter, adding tasks to run style checks and auto-format Kotlin code. It activates automatical…
841722active
RTC VideoChat
An Android demo application built on WebRTC supporting one-to-one voice/video calls and many-to-many video conferencing, with a companion J…
231721active
Spring-Cloud-Platform
A Chinese Spring Cloud microservices-based RBAC admin platform built on Spring Boot 2.4, Spring Cloud 2020.0.0 & Alibaba, with a d2-admin f…
236404maintenance
getActivity/AndroidProject-Kotlin
A Kotlin-based Android project template ('technology middle platform') providing a ready-made architecture with common screens, dialogs, an…
881718active
git-commit-id/git-commit-id-maven-plugin
A Maven plugin that captures git repository information (commit id, branch, tags, dirty state) at build time and exposes it as pom.xml prop…
911717stable
zhujiang521/PlayAndroid
A Kotlin Android client app for the WanAndroid API built with MVVM architecture and Jetpack libraries (Compose, Room, Hilt, DataStore, Coro…
481712active
MohamedRejeb/Calf
Calf is a Kotlin library for Compose Multiplatform that provides adaptive UI components and wrappers for platform-specific APIs such as fil…
881711active
mateaix/matecloud
MateCloud is a Java-based microservices scaffold built on Spring Boot 4, Spring Cloud 2025, Spring Cloud Alibaba, and Dubbo 3, offering gat…
821711active
Splitties/refreshVersions
refreshVersions is a Gradle plugin that centralizes dependency versions in a versions.properties file and automates finding and applying de…
361711active
SoapUI
SoapUI is a free, open-source, cross-platform desktop application for functional testing of SOAP and REST APIs and web services. It support…
721710active
x-ream/sqli
sqli is a Java SQL query builder and lightweight ORM programming interface with fluent APIs (QB, QB.X, QrB) for building typed and Map-base…
611710active
controlsfx/controlsfx
ControlsFX is an open-source Java library providing high-quality UI controls and utility APIs that complement the core JavaFX distribution.…
921709stable
aklivity/zilla
Zilla is a stateless, multi-protocol gateway for event-driven applications and AI agents, exposing Kafka and MQTT over HTTP, SSE, gRPC, MQT…
1001707active
DingoDB
DingoDB is an open-source distributed multi-modal vector database that combines relational (SQL) and vector semantics in a unified platform…
661703active
sshahine/JFoenix
JFoenix is an open-source Java library that implements Google's Material Design as JavaFX UI components. It provides Material-styled contro…
326322maintenance
xyoye/DanDanPlayForAndroid
DanDanPlay Concept Edition is an Android local video player that combines video playback (local and network sources like SMB, FTP, WebDAV) …
781700active
optics-dev/Monocle
Monocle is a Scala optics library providing a simple yet powerful API to access and transform immutable data using lenses, prisms, traversa…
661699active
raodv/captcha
AjPlus Captcha is an open-source behavioral CAPTCHA library providing sliding puzzle and click-word verification challenges with frontend U…
351693active
whwlsfb/JDumpSpider
JDumpSpider is a Java CLI tool that extracts sensitive information (datasource credentials, config properties, Redis configs, Shiro keys, u…
661690active
apache/solr
Apache Solr is a fast, open-source, multi-modal search platform built on Apache Lucene, providing full-text, vector, and geospatial search …
771689stable
murraco/spring-boot-jwt
A JWT authentication service built with Spring Boot and Spring Security, backed by MySQL, featuring short-lived access tokens and rotating,…
741688active
spring-projects/spring-data-mongodb
Spring Data MongoDB is part of the Spring Data umbrella, providing integration between Java applications and the MongoDB document database.…
951687active
PolarDB-X
PolarDB-X is a cloud native distributed SQL database built in Java with a shared-nothing architecture that decouples compute from storage. …
851686stable
jasync-sql/jasync-sql
jasync-sql is an asynchronous, Netty-based database driver for MySQL and PostgreSQL written in Kotlin, usable from Java and Kotlin. It prov…
471685active
cjbi/admin3
Admin3 is a lightweight admin management framework built on Java 21/Spring Boot 3.2 for the backend and TypeScript/Vite/Vue3/Element Plus f…
551682active
mekanism/Mekanism
Mekanism is an independent Minecraft mod adding high-tech machinery, energy systems, tiered factories, jetpacks, armor, and tools. It is wr…
901681active
koush/ion
Ion is an Android library for asynchronous networking and image loading, built on NIO and AndroidAsync. It provides a fluent API for downlo…
726232maintenance
MorphiaOrg/morphia
Morphia is a Java object-document mapper (ODM) for MongoDB built on top of the official MongoDB Java driver. It maps Java and Kotlin classe…
681676active
bazaarvoice/jolt
Jolt is a Java library for JSON-to-JSON transformation where the transform specification is itself a JSON document. It provides chained sto…
661673stable
rebeyond/Behinder
Behinder ('冰蝎') is a cross-platform Java client for managing encrypted webshells on compromised web servers running PHP, Java, or .NET. It …
236199maintenance
babyfish-ct/jimmer
Jimmer is a modern ORM framework for the JVM supporting both Java and Kotlin, built around immutable entities and type-safe query DSLs. It …
941672active
NettyGameServer
A distributed mobile game server framework built on Netty 4.x in Java, supporting TCP, UDP, HTTP, and WebSocket connections with a custom p…
541672active
kagkarlsson/db-scheduler
db-scheduler is a persistent, cluster-friendly task scheduler for Java, designed as a simpler alternative to Quartz. It stores tasks in a s…
921667stable
devnied/EMV-NFC-Paycard-Enrollment
A Java library for reading and extracting public data from NFC EMV credit cards over Android NFC or PCSC readers. It parses card details su…
831667active
typelevel/skunk
Skunk is a purely functional data access library for Scala and Postgres, built on cats, cats-effect, fs2, and scodec. It provides a non-blo…
801667active
japgolly/scalajs-react
A Scala.js library that provides type-safe, Scala-friendly bindings for Facebook's React, with opt-in functional programming support via Ca…
911663active

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