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opentsdb
532 IssuesA scalable, distributed Time Series Database.
(opentsdb/opentsdb)kafka
521 IssuesMirror of Apache Kafka
(apache/kafka)hikaricp
495 Issues光 HikariCP・A solid, high-performance, JDBC connection pool at last.
(brettwooldridge/hikaricp)grpc-java
494 IssuesThe Java gRPC implementation. HTTP/2 based RPC
(grpc/grpc-java)signal-android
485 IssuesA private messenger for Android.
(signalapp/signal-android)shardingsphere
481 IssuesDistributed SQL transaction & query engine for data sharding, scaling, encryption, and more - on any database.
(apache/shardingsphere)powermock
461 IssuesPowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
(powermock/powermock)spring-cloud-gateway
448 IssuesA Gateway built on Spring Framework and Spring Boot providing routing and more.
(spring-cloud/spring-cloud-gateway)mockito
447 IssuesMost popular Mocking framework for unit tests written in Java
(mockito/mockito)immutables
441 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)traccar
437 IssuesTraccar GPS Tracking System
(traccar/traccar)spotbugs
433 IssuesSpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
(spotbugs/spotbugs)airsonic
432 Issues:satellite: :cloud: :notes:Airsonic, a Free and Open Source community driven media server (fork of Subsonic and Libresonic)
(airsonic/airsonic)rocketmq
429 IssuesMirror of Apache RocketMQ
(apache/rocketmq)redreader
415 IssuesAn unofficial open source Reddit client for Android.
(quantumbadger/redreader)kafka-ui
415 IssuesOpen-Source Web UI for Apache Kafka Management
(provectus/kafka-ui)chat2db
406 Issues🔥🔥🔥AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.
(codephiliax/chat2db)error-prone
406 IssuesCatch common Java mistakes as compile-time errors
(google/error-prone)realm-java
397 IssuesRealm is a mobile database: a replacement for SQLite & ORMs
(realm/realm-java)h2database
379 IssuesH2 is an embeddable RDBMS written in Java.
(h2database/h2database)flowable-engine
370 IssuesA compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
(flowable/flowable-engine)dagger
349 IssuesA fast dependency injector for Android and Java.
(google/dagger)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)frontend-maven-plugin
346 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)fasthub
343 IssuesFastHub the ultimate GitHub client for Android.
(k0shk0sh/fasthub)guice
339 IssuesGuice (pronounced 'juice') is a lightweight dependency injection framework for Java 8 and above, brought to you by Google.
(google/guice)spoon
338 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)gson
336 IssuesA Java serialization/deserialization library to convert Java Objects into JSON and back
(google/gson)antennapod
335 IssuesA podcast manager for Android
(antennapod/antennapod)grails-core
332 IssuesThe Grails Web Application Framework
(grails/grails-core)libgdx
318 IssuesDesktop/Android/HTML5/iOS Java game development framework
(libgdx/libgdx)spring-framework
313 IssuesSpring Framework
(spring-projects/spring-framework)anki-android
305 IssuesAnkiDroid: Anki on Android
(ankidroid/anki-android)spring-batch
304 IssuesSpring Batch is a framework for writing batch applications using Java and Spring
(spring-projects/spring-batch)sugar
302 IssuesInsanely easy way to work with Android Database.
(chennaione/sugar)fili
291 IssuesEasily make RESTful web services for time series reporting with Big Data analytics engines like Druid and SQL Databases.
(yahoo/fili)intellij-community
291 IssuesIntelliJ IDEA Community Edition
(jetbrains/intellij-community)collect
281 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)collect
281 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! ✨📋✨
(getodk/collect)dubbox
278 IssuesDubbox now means Dubbo eXtensions, and it adds features like RESTful remoting, Kyro/FST serialization, etc to the Dubbo service framework.
(dangdangdotcom/dubbox)jbang
278 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)cryptomator
275 IssuesMulti-platform transparent client-side encryption of your files in the cloud
(cryptomator/cryptomator)lizzie
273 IssuesLizzie - Leela Zero Interface
(featurecat/lizzie)assertj
273 IssuesAssertJ is a library providing easy to use rich typed assertions
(assertj/assertj)spring-hateoas
267 IssuesSpring HATEOAS - Library to support implementing representations for hyper-text driven REST web services.
(spring-projects/spring-hateoas)openrocket
265 IssuesOpenRocket simulation software
(openrocket/openrocket)okdownload
264 IssuesA Reliable, Flexible, Fast and Powerful download engine.
(lingochamp/okdownload)neo4j
261 IssuesGraphs for Everyone
(neo4j/neo4j)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)