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Repositories in this selection 30 · UTC 2026-11-04
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1—Aalibaba / arthasAlibaba Java Diagnostic Tool Arthas/Alibaba Java Diagnostic Tool ArthasJavaApache-2.0 · PermissiveInsufficient rank history37,6037,639——2026-10-23
2—AAobingJava / JavaFamily[Java Interview + Java Study Guide] A guide covering the core knowledge that most Java programmers need to master.UnknownUnknown · Restricted / unknownInsufficient rank history36,9837,733——2025-11-03
3—CcrossoverJie / JCSprout👨🎓 Java Core Sprout : basic, concurrent, algorithmJavaMIT · PermissiveInsufficient rank history26,7976,925——2024-05-21
4—Hhollischuang / toBeTopJavaerTo Be Top Javaer - The road to becoming a Java engineerJavaUnknown · Restricted / unknownInsufficient rank history25,2895,336——2024-01-03
5—Oopenjdk / jdkJDK main-line development https://openjdk.org/projects/jdkJavaGPL-2.0 · Share derivative sourceInsufficient rank history23,4966,630——2026-11-03
6—Iitwanger / toBeBetterJavaerAn easy-to-understand, humorous Java learning guide, covering core knowledge points such as Java basics, Java concurrent programming, Java virtual machine, Java enterprise-level development, and Java interviews. If you want to learn Java, follow your second brother’s path to Java advancement😄JavaUnknown · Restricted / unknownInsufficient rank history17,8132,428——2026-11-02
7—Eeclipse-vertx / vert.xVert.x is a tool-kit for building reactive applications on the JVMJavaNOASSERTION · Restricted / unknownInsufficient rank history14,6832,118——2026-11-03
8—Ffrancistao / LearningNotesEnjoy Learning.UnknownUnknown · Restricted / unknownInsufficient rank history13,1343,920——2024-08-13
9—Pplayframework / playframeworkThe Community Maintained High Velocity Web Framework For Java and Scala.ScalaApache-2.0 · PermissiveInsufficient rank history12,6204,013——2026-10-29
10—Ddoocs / jvm🤗 The most complete knowledge summary of the underlying principles of JVMTypeScriptCC-BY-SA-4.0 · Share derivative sourceInsufficient rank history11,1282,291——2026-10-17
11—Ffrohoff / ysoserialA proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.JavaMIT · PermissiveInsufficient rank history9,0961,852——2025-12-04
12—Ttestcontainers / testcontainers-javaTestcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.JavaMIT · PermissiveInsufficient rank history8,7591,950——2026-11-02
13—Bbtraceio / btraceProduction-safe dynamic tracing and diagnostics for Java applications—attach to live JVMs with no restart or recompilation.JavaApache-2.0 · PermissiveInsufficient rank history5,997953——2026-11-03
14—Rreactor / reactor-coreNon-Blocking Reactive Foundation for the JVMJavaApache-2.0 · PermissiveInsufficient rank history5,2421,263——2026-11-03
15—AAlmasB / FXGLJava / JavaFX / Kotlin Game Library (Engine)KotlinMIT · PermissiveInsufficient rank history4,874712——2026-10-16
16—JJetBrains / koogKoog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-browser environments. Koog is based on our AI products expertise and provides proven solutions for complex LLM and AI problemsKotlinApache-2.0 · PermissiveInsufficient rank history4,650506——2026-11-02
17—Ppuniverse / quasarFibers, Channels and Actors for the JVMJavaNOASSERTION · Restricted / unknownInsufficient rank history4,544559——2024-01-21
18—Hhansonwang99 / JavaCollectionJava open source project "The road to self-taught programming": study guide + interview guide + resource sharing + technical articlesUnknownUnknown · Restricted / unknownInsufficient rank history4,511703——2021-08-17
19—GGradleUp / shadowGradle plugin for creating fat/uber JARs, transforming files, relocating packages, and optimizing with R8/ProGuard. The Gradle counterpart to Maven Shade Plugin.KotlinApache-2.0 · PermissiveInsufficient rank history4,245427——2026-11-02
20—Qqunarcorp / bistouryBistoury is Qunar.com's Java application production problem diagnosis tool, providing a one-stop problem diagnosis solution.JavaGPL-3.0 · Share derivative sourceInsufficient rank history4,067841——2022-12-16
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