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grpc-java
500 IssuesThe Java gRPC implementation. HTTP/2 based RPC
(grpc/grpc-java)questdb
500 IssuesAn open source time-series database for fast ingest and SQL queries
(questdb/questdb)traccar
481 IssuesTraccar GPS Tracking System
(traccar/traccar)cassandra
472 IssuesMirror of Apache Cassandra
(apache/cassandra)powermock
457 IssuesPowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
(powermock/powermock)spotbugs
445 IssuesSpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
(spotbugs/spotbugs)jabref
444 IssuesGraphical Java application for managing BibTeX and BibLaTeX (.bib) databases
(jabref/jabref)airsonic
432 Issues:satellite: :cloud: :notes:Airsonic, a Free and Open Source community driven media server (fork of Subsonic and Libresonic)
(airsonic/airsonic)immutables
428 IssuesAnnotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS integrations included
(immutables/immutables)rocketmq
417 IssuesMirror of Apache RocketMQ
(apache/rocketmq)mockito
406 IssuesMost popular Mocking framework for unit tests written in Java
(mockito/mockito)kafka-ui
396 IssuesOpen-Source Web UI for Apache Kafka Management
(provectus/kafka-ui)realm-java
395 IssuesRealm is a mobile database: a replacement for SQLite & ORMs
(realm/realm-java)error-prone
390 IssuesCatch common Java mistakes as compile-time errors
(google/error-prone)anki-android
377 IssuesAnkiDroid: Anki on Android
(ankidroid/anki-android)spring-cloud-gateway
371 IssuesA Gateway built on Spring Framework and Spring Boot providing routing and more.
(spring-cloud/spring-cloud-gateway)redreader
367 IssuesAn unofficial open source Reddit client for Android.
(quantumbadger/redreader)signal-android
360 IssuesA private messenger for Android.
(signalapp/signal-android)h2database
358 IssuesH2 is an embeddable RDBMS written in Java.
(h2database/h2database)ews-java-api
346 IssuesA java client library to access Exchange web services. The API works against Office 365 Exchange Online as well as on premises Exchange.
(officedev/ews-java-api)fasthub
343 IssuesFastHub the ultimate GitHub client for Android.
(k0shk0sh/fasthub)flowable-engine
337 IssuesA compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
(flowable/flowable-engine)frontend-maven-plugin
333 Issues"Maven-node-grunt-gulp-npm-node-plugin to end all maven-node-grunt-gulp-npm-plugins." A Maven plugin that downloads/installs Node and NPM locally, runs NPM install, Grunt, Gulp and/or Karma.
(eirslett/frontend-maven-plugin)spoon
332 IssuesSpoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.
(inria/spoon)guice
325 IssuesGuice (pronounced 'juice') is a lightweight dependency injection framework for Java 8 and above, brought to you by Google.
(google/guice)libgdx
313 IssuesDesktop/Android/HTML5/iOS Java game development framework
(libgdx/libgdx)dagger
313 IssuesA fast dependency injector for Android and Java.
(google/dagger)neo4j
306 IssuesGraphs for Everyone
(neo4j/neo4j)sugar
303 IssuesInsanely easy way to work with Android Database.
(chennaione/sugar)spring-framework
295 IssuesSpring Framework
(spring-projects/spring-framework)grails-core
293 IssuesThe Grails Web Application Framework
(grails/grails-core)fili
291 IssuesEasily make RESTful web services for time series reporting with Big Data analytics engines like Druid and SQL Databases.
(yahoo/fili)spring-batch
287 IssuesSpring Batch is a framework for writing batch applications using Java and Spring
(spring-projects/spring-batch)antennapod
280 IssuesA podcast manager for Android
(antennapod/antennapod)dubbox
279 IssuesDubbox now means Dubbo eXtensions, and it adds features like RESTful remoting, Kyro/FST serialization, etc to the Dubbo service framework.
(dangdangdotcom/dubbox)intellij-community
275 IssuesIntelliJ IDEA Community Edition
(jetbrains/intellij-community)lizzie
274 IssuesLizzie - Leela Zero Interface
(featurecat/lizzie)assertj
263 IssuesAssertJ is a library providing easy to use rich typed assertions
(assertj/assertj)okdownload
261 IssuesA Reliable, Flexible, Fast and Powerful download engine.
(lingochamp/okdownload)cryptomator
261 IssuesMulti-platform transparent client-side encryption of your files in the cloud
(cryptomator/cryptomator)spring-hateoas
259 IssuesSpring HATEOAS - Library to support implementing representations for hyper-text driven REST web services.
(spring-projects/spring-hateoas)zookeeper
258 IssuesApache ZooKeeper
(apache/zookeeper)hibernate-orm
257 IssuesHibernate's core Object/Relational Mapping functionality
(hibernate/hibernate-orm)strongbox
255 IssuesStrongbox is an artifact repository manager.
(strongbox/strongbox)cordova-plugin-admob-free
253 IssuesNew development has been moved to "admob-plus-cordova", https://github.com/admob-plus/admob-plus/tree/master/packages/cordova
(ratson/cordova-plugin-admob-free)jbang
253 IssuesUnleash the power of Java - JBang Lets Students, Educators and Professional Developers create, edit and run self-contained source-only Java programs with unprecedented ease.
(jbangdev/jbang)openhub
244 IssuesAn open source GitHub Android client app, faster and concise.
(thirtydegreesray/openhub)micrometer
242 IssuesAn application observability facade for the most popular observability tools. Think SLF4J, but for observability.
(micrometer-metrics/micrometer)openrocket
240 IssuesOpenRocket simulation software
(openrocket/openrocket)collect
230 IssuesODK Collect is an Android app for filling out forms. It's been used to collect billions of data points in challenging environments around the world. Contribute and make the world a better place! ✨📋✨
(opendatakit/collect)