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elasticsearch
4020 IssuesOpen Source, Distributed, RESTful Search Engine
(elastic/elasticsearch)bazel
2594 Issuesa fast, scalable, multi-language and extensible build system
(bazelbuild/bazel)osmand
2467 IssuesOsmAnd
(osmandapp/osmand)quarkus
2087 IssuesQuarkus: Supersonic Subatomic Java.
(quarkusio/quarkus)ballerina-lang
1927 IssuesBallerina is a compiled, transactional, statically and strongly typed programming language with textual and graphical syntaxes.
(ballerina-platform/ballerina-lang)languagetool
1735 IssuesStyle and Grammar Checker for 25+ Languages
(languagetool-org/languagetool)dbeaver
1695 IssuesFree universal database tool and SQL client
(dbeaver/dbeaver)keycloak
1619 IssuesOpen Source Identity and Access Management For Modern Applications and Services
(keycloak/keycloak)spring-framework
1491 IssuesSpring Framework
(spring-projects/spring-framework)azure-sdk-for-java
1398 IssuesMicrosoft Azure SDK for Java
(azure/azure-sdk-for-java)ghidra
1379 IssuesGhidra is a software reverse engineering (SRE) framework
(nationalsecurityagency/ghidra)mage
1216 IssuesMagic Another Game Engine
(magefree/mage)presto
1213 IssuesDistributed SQL query engine for big data
(prestodb/presto)newpipe
1208 IssuesA lightweight Youtube frontend for Android.
(teamnewpipe/newpipe)android
1178 Issues📱 Nextcloud Android app
(nextcloud/android)kafka
985 IssuesMirror of Apache Kafka
(apache/kafka)flink
971 IssuesMirror of Apache Flink
(apache/flink)opensearch
895 Issues🔎 Open source distributed and RESTful search engine.
(opensearch-project/opensearch)closure-compiler
882 IssuesA JavaScript checker and optimizer.
(google/closure-compiler)wordpress-android
842 IssuesWordPress for Android
(wordpress-mobile/wordpress-android)elasticsearch
810 IssuesOpen Source, Distributed, RESTful Search Engine
(elasticsearch/elasticsearch)lombok
796 IssuesVery spicy additions to the Java programming language.
(rzwitserloot/lombok)fabric8
788 Issuesfabric8 is an open source microservices platform based on Docker, Kubernetes and Jenkins
(fabric8io/fabric8)spring-security
788 IssuesSpring Security
(spring-projects/spring-security)spring-data-rest
776 IssuesSimplifies building hypermedia-driven REST web services on top of Spring Data repositories
(spring-projects/spring-data-rest)hadoop
769 IssuesApache Hadoop
(apache/hadoop)guava
767 IssuesGoogle core libraries for Java
(google/guava)antlr4
756 IssuesANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
(antlr/antlr4)exoplayer
750 IssuesAn extensible media player for Android
(google/exoplayer)checkstyle
750 IssuesCheckstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a comma
(checkstyle/checkstyle)zaproxy
742 IssuesThe OWASP ZAP core project
(zaproxy/zaproxy)cgeo
703 Issuesc:geo - The powerful Android geocaching app.
(cgeo/cgeo)pmd
664 IssuesAn extensible cross-language static code analyzer.
(pmd/pmd)jmeter
641 IssuesMirror of Apache JMeter
(apache/jmeter)k-9
626 IssuesK-9 Mail – Advanced Email for Android 📧
(k9mail/k-9)dubbo
609 IssuesDubbo is a high-performance, java based, open source RPC framework
(alibaba/dubbo)dubbo
609 IssuesApache Dubbo is a high-performance, java based, open source RPC framework.
(apache/dubbo)rocketmq
601 IssuesMirror of Apache RocketMQ
(apache/rocketmq)spring-boot
597 IssuesSpring Boot
(spring-projects/spring-boot)netbeans
590 IssuesApache NetBeans
(apache/netbeans)apps-android-commons
579 IssuesThe Wikimedia Commons Android app allows users to upload pictures from their Android phone/tablet to Wikimedia Commons
(commons-app/apps-android-commons)codenameone
575 IssuesCross-platform framework for building truly native mobile apps with Java or Kotlin. Write Once Run Anywhere support for iOS, Android, Desktop & Web.
(codenameone/codenameone)liquibase
548 IssuesMain Liquibase Source
(liquibase/liquibase)netty
547 IssuesNetty project - an event-driven asynchronous network application framework
(netty/netty)spring-security-oauth
546 IssuesSupport for adding OAuth1(a) and OAuth2 features (consumer and provider) for Spring web applications.
(spring-projects/spring-security-oauth)exist
531 IssueseXist Native XML Database and Application Platform
(exist-db/exist)opentsdb
530 IssuesA scalable, distributed Time Series Database.
(opentsdb/opentsdb)spotbugs
530 IssuesSpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
(spotbugs/spotbugs)grpc-java
512 IssuesThe Java gRPC implementation. HTTP/2 based RPC
(grpc/grpc-java)rest-assured
488 IssuesJava DSL for easy testing of REST services
(rest-assured/rest-assured)