GitHub stars · StarDay

1alibaba / arthasAlibaba Java Diagnostic Tool Arthas/Alibaba Java Diagnostic Tool ArthasJavaApache-2.0 · Permissive37,611

2AobingJava / JavaFamily[Java Interview + Java Study Guide] A guide covering the core knowledge that most Java programmers need to master.License not declaredInactive36,979

3crossoverJie / JCSprout👨‍🎓 Java Core Sprout : basic, concurrent, algorithmJavaMIT · PermissiveInactive26,791

4hollischuang / toBeTopJavaerTo Be Top Javaer - The road to becoming a Java engineerJavaLicense not declaredInactive25,283

5openjdk / jdkJDK main-line development https://openjdk.org/projects/jdkJavaGPL-2.0 · Share derivative source23,509

6itwanger / 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😄JavaLicense not declared17,828

7eclipse-vertx / vert.xVert.x is a tool-kit for building reactive applications on the JVMJavaLicense not declared14,682

8francistao / LearningNotesEnjoy Learning.License not declaredInactive13,135

9playframework / playframeworkThe Community Maintained High Velocity Web Framework For Java and Scala.ScalaApache-2.0 · Permissive12,620

10doocs / jvm🤗 The most complete knowledge summary of the underlying principles of JVMTypeScriptCC-BY-SA-4.0 · Share derivative source11,129

11frohoff / ysoserialA proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.JavaMIT · PermissiveInactive9,094

12testcontainers / 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 · Permissive8,759

13btraceio / btraceProduction-safe dynamic tracing and diagnostics for Java applications—attach to live JVMs with no restart or recompilation.JavaApache-2.0 · Permissive5,997

14reactor / reactor-coreNon-Blocking Reactive Foundation for the JVMJavaApache-2.0 · Permissive5,240

15AlmasB / FXGLJava / JavaFX / Kotlin Game Library (Engine)KotlinMIT · Permissive4,873

16JetBrains / 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 · Permissive4,651

17puniverse / quasarFibers, Channels and Actors for the JVMJavaLicense not declaredInactive4,544

18hansonwang99 / JavaCollectionJava open source project "The road to self-taught programming": study guide + interview guide + resource sharing + technical articlesLicense not declaredInactive4,510

19GradleUp / 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 · Permissive4,243

20qunarcorp / bistouryBistoury is Qunar.com's Java application production problem diagnosis tool, providing a one-stop problem diagnosis solution.JavaGPL-3.0 · Share derivative sourceInactive4,064