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67 results for source starred repositories written in Java
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🏗 Build container images for your Java applications.

Java 14,298 1,466 Updated Feb 4, 2026

Open-Source Web UI for Apache Kafka Management

Java 11,854 1,363 Updated Jul 26, 2024

Testcontainers 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.

Java 8,574 1,794 Updated Feb 3, 2026

An annotation processor for generating type-safe bean mappers

Java 7,613 1,010 Updated Feb 2, 2026

vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

Java 6,087 659 Updated Feb 3, 2026

Reformats Java source code to comply with Google Java Style.

Java 6,062 914 Updated Feb 4, 2026

Keep your code spotless

Java 5,301 509 Updated Feb 2, 2026

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.

Java 4,799 1,072 Updated Feb 4, 2026

Fault tolerance and resilience patterns for the JVM

Java 4,303 309 Updated Dec 28, 2025

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

Java 4,001 329 Updated Feb 3, 2026

Awaitility is a small Java DSL for synchronizing asynchronous operations

Java 3,989 253 Updated Feb 26, 2025

Official Java client library for kubernetes

Java 3,935 2,087 Updated Feb 5, 2026

A fast, lightweight and more productive microservices framework

Java 3,682 636 Updated Feb 4, 2026

Micro second messaging that stores everything to disk

Java 3,681 566 Updated Jan 29, 2026

Apache Log4j is a versatile, feature-rich, efficient logging API and backend for Java.

Java 3,579 1,706 Updated Feb 1, 2026

Java annotation processor to create immutable objects and builders, for records too. Sweep boilerplate code under the rug!

Java 3,546 293 Updated Jan 6, 2026

Small set of tools for JVM troublshooting, monitoring and profiling.

Java 3,337 523 Updated Jan 26, 2024

Java rate limiting library based on token-bucket algorithm.

Java 2,690 314 Updated Feb 4, 2026

A High Dynamic Range (HDR) Histogram

Java 2,350 268 Updated Jun 27, 2024

Smithy is a protocol-agnostic interface definition language and set of tools for generating clients, servers, and documentation for any programming language.

Java 2,198 244 Updated Feb 4, 2026

An extensible Java library for HTTP request and response logging

Java 2,012 273 Updated Feb 4, 2026

Open-Source Web UI for managing Apache Kafka clusters

Java 1,994 252 Updated Feb 4, 2026

Persistent cluster-friendly scheduler for Java

Java 1,494 236 Updated Feb 4, 2026

An artifact of fully-specified annotations to power static-analysis checks, beginning with nullness analysis.

Java 1,046 41 Updated Feb 3, 2026

A fast Java JSON schema validator that supports draft V4, V6, V7, V2019-09 and V2020-12

Java 1,026 335 Updated Jan 21, 2026

Lightweight Java State Machine

Java 926 190 Updated Jun 17, 2023

Record builder generator for Java records

Java 907 70 Updated Jan 26, 2026

Yet Another Validation for Java (A lambda based type safe validation framework)

Java 842 64 Updated Jan 26, 2026

tinylog is a lightweight logging framework for Java, Kotlin, Scala, and Android

Java 767 83 Updated Feb 2, 2026
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