163 Repositories
Java jvm-tools Libraries
A type-safe HTTP client for Android and the JVM
Retrofit A type-safe HTTP client for Android and Java. For more information please see the website. Download Download the latest JAR or grab from Mave
Square’s meticulous HTTP client for the JVM, Android, and GraalVM.
OkHttp See the project website for documentation and APIs. HTTP is the way modern applications network. It’s how we exchange data & media. Doing HTTP
Realtime Client Server Framework for the JVM, supporting WebSockets with Cross-Browser Fallbacks
Welcome to Atmosphere: The Event Driven Framework supporting WebSocket and HTTP The Atmosphere Framework contains client and server side components fo
A Java game development framework that deploys to JVM, HTML5, Android and iOS.
PlayN PlayN is a cross-platform Java game development library written in Java that targets HTML5 browsers (via GWT), desktop JVMs, Android and iOS dev
Small set of tools for JVM troublshooting, monitoring and profiling.
Swiss Java Knife (SJK) SJK is a command line tool for JVM diagnostic, troubleshooting and profiling. SJK exploits standard diagnostic interfaces of JV
Simple JVM Profiler Using StatsD and Other Metrics Backends
statsd-jvm-profiler statsd-jvm-profiler is a JVM agent profiler that sends profiling data to StatsD. Inspired by riemann-jvm-profiler, it was primaril
Sends stacktrace-level performance data from a JVM process to Riemann.
Riemann JVM Profiler riemann-jvm-profiler is a JVM agent that you can inject into any JVM process--one written in Clojure, Java, Scala, Groovy, etc.--
An application metrics facade for the most popular monitoring tools. Think SLF4J, but for metrics.
Micrometer Application Metrics An application metrics facade for the most popular monitoring tools. Instrument your code with dimensional metrics with
JVM Profiler Sending Metrics to Kafka, Console Output or Custom Reporter
Uber JVM Profiler Uber JVM Profiler provides a Java Agent to collect various metrics and stacktraces for Hadoop/Spark JVM processes in a distributed w
production heap profiling for the JVM. compatible with google-perftools.
Heapster Heapster provides an agent library to do heap profiling for JVM processes with output compatible with Google perftools. The goal of Heapster
Tools for tracking down memory / JVM problems & generating predictable-as-possible VM behaviour
Hawkshaw Tools for tracking down memory / JVM problems & generating predictable-as-possible VM behaviour You can Use Hawkshaw to mimic application obj
Performance visualisation tools
grav A collection of tools to help visualise process execution. This blog post has some detail on the rationale and implementation detail. Scheduler p
Performance analysis tools based on Linux perf_events (aka perf) and ftrace
perf-tools A miscellaneous collection of in-development and unsupported performance analysis tools for Linux ftrace and perf_events (aka the "perf" co
BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more
BPF Compiler Collection (BCC) BCC is a toolkit for creating efficient kernel tracing and manipulation programs, and includes several useful tools and
Pcap editing and replay tools for *NIX and Windows - Users please download source from
Tcpreplay Tcpreplay is a suite of GPLv3 licensed utilities for UNIX (and Win32 under Cygwin) operating systems for editing and replaying network traff
Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.
PROJECT STATUS: RETIRED The Simian Army project is no longer actively maintained. Some of the Simian Army functionality has been moved to other Netfli
Square’s meticulous HTTP client for the JVM, Android, and GraalVM.
OkHttp See the project website for documentation and APIs. HTTP is the way modern applications network. It’s how we exchange data & media. Doing HTTP
GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with real data. It can be used to increase confidence in code deployments, configuration changes and infrastructure changes.
https://goreplay.org/ GoReplay is an open-source network monitoring tool which can record your live traffic, and use it for shadowing, load testing, m
The Eta Programming Language, a dialect of Haskell on the JVM
Eta - Modern Haskell on the JVM The Eta programming language is a dialect of Haskell which runs on the JVM and has the following goals: accessibility
Testing tools for javac and annotation processors
Compile Testing A library for testing javac compilation with or without annotation processors. See the javadoc for usage examples. License Copyright 2
A fast object pool for the JVM
Stormpot Stormpot is an object pooling library for Java. Use it to recycle objects that are expensive to create. The library will take care of creatin
RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
RxJava: Reactive Extensions for the JVM RxJava is a Java VM implementation of Reactive Extensions: a library for composing asynchronous and event-base
Fault tolerance and resilience patterns for the JVM
Failsafe Failsafe is a lightweight, zero-dependency library for handling failures in Java 8+, with a concise API for handling everyday use cases and t
Orbit - Virtual actor framework for building distributed systems
Full Documentation See the documentation website for full documentation, examples and other information. Orbit 1 Looking for Orbit 1? Visit the orbit1
Reactive Microservices for the JVM
Lagom - The Reactive Microservices Framework Lagom is a Swedish word meaning just right, sufficient. Microservices are about creating services that ar
Vert.x is a tool-kit for building reactive applications on the JVM
Vert.x Core This is the repository for Vert.x core. Vert.x core contains fairly low-level functionality, including support for HTTP, TCP, file system
Build highly concurrent, distributed, and resilient message-driven applications on the JVM
Akka We believe that writing correct concurrent & distributed, resilient and elastic applications is too hard. Most of the time it's because we are us
Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
Arthas Arthas is a Java Diagnostic tool open sourced by Alibaba. Arthas allows developers to troubleshoot production issues for Java applications with
Most popular Mocking framework for unit tests written in Java
Most popular mocking framework for Java Current version is 3.x Still on Mockito 1.x? See what's new in Mockito 2! Mockito 3 does not introduce any bre
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.
Testcontainers Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium we
A TestNG like dataprovider runner for JUnit with many additional features
junit-dataprovider Have a look to this repositories Wiki pages for documenation, usage examples and further information. Table of contents Home What i
JVM version of Pact. Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.
pact-jvm JVM implementation of the consumer driven contract library pact. From the Ruby Pact website: Define a pact between service consumers and prov
A library for setting up Java objects as test data.
Beanmother Beanmother helps to create various objects, simple and complex, super easily with fixtures for testing. It encourages developers to write m
Cucumber DSL for testing RESTful Web Services
cukes-rest takes simplicity of Cucumber and provides bindings for HTTP specification. As a sugar on top, cukes-rest adds steps for storing and using r
Cucumber for the JVM
Cucumber JVM Cucumber-JVM is a pure Java implementation of Cucumber. You can run it with the tool of your choice. Cucumber-JVM also integrates with al
Test Automation Made Simple
Karate Test Automation Made Simple. Karate is the only open-source tool to combine API test-automation, mocks, performance-testing and even UI automat
Java binding for Hoverfly
Hoverfly Java - Easy Creation of Stub Http Servers for Testing A Java native language binding for Hoverfly, a Go proxy which allows you to simulate ht
Password4j is a user-friendly cryptographic library that supports Argon2, Bcrypt, Scrypt, PBKDF2 and various cryptographic hash functions.
Password4j is a Java user-friendly cryptographic library for hashing and checking passwords with different Key derivation functions (KDFs) and Cryptog
jHiccup is a non-intrusive instrumentation tool that logs and records platform "hiccups" - including the JVM stalls that often happen when Java applications are executed and/or any OS or hardware platform noise that may cause the running application to not be continuously runnable.
jHiccup Written by Gil Tene of Azul Systems, and released to the public domain as explained at http://creativecommons.org/publicdomain/zero/1.0 Versio
An HTML to PDF library for the JVM. Based on Flying Saucer and Apache PDF-BOX 2. With SVG image support. Now also with accessible PDF support (WCAG, Section 508, PDF/UA)!
OPEN HTML TO PDF OVERVIEW Open HTML to PDF is a pure-Java library for rendering arbitrary well-formed XML/XHTML (and even HTML5) using CSS 2.1 for lay
Prometheus instrumentation library for JVM applications
Prometheus JVM Client It supports Java, Clojure, Scala, JRuby, and anything else that runs on the JVM. Table of Contents Using Assets Javadocs Instrum
Get inside your JVM
nudge4j · nudge4j is a tiny piece of code to help great developers understand code better, debug less, have more fun. Overview With nudge4j you can: c
:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.
Metrics 📈 Capturing JVM- and application-level metrics. So you know what's going on. For more information, please see the documentation Versions Vers
Automon combines the power of AOP (AspectJ) with monitoring or logging tools you already use to declaratively monitor your Java code, the JDK, and 3rd party libraries.
Automon Automon combines the power of AOP (AspectJ) with monitoring tools or logging tools that you already use to declaratively monitor the following
Tools for working with generic types
TypeTools A simple, zero-dependency library for working with types. Supports Java 1.6+ and Android. Introduction One of the sore points with Java invo
A JVM library to use RabbitMQ as an embedded service
Embedded RabbitMQ Compatibility: Builds: Linux OS X Windows Reports: Dist: Social: This library allows for the use of various RabbitMQ versions as if
Powerful event-bus optimized for high throughput in multi-threaded applications. Features: Sync and Async event publication, weak/strong references, event filtering, annotation driven
MBassador MBassador is a light-weight, high-performance event bus implementing the publish subscribe pattern. It is designed for ease of use and aims
Model import deployment framework for retraining models (pytorch, tensorflow,keras) deploying in JVM Micro service environments, mobile devices, iot, and Apache Spark
The Eclipse Deeplearning4J (DL4J) ecosystem is a set of projects intended to support all the needs of a JVM based deep learning application. This mean
Java CMS engine. Host and develop multiple websites inside a single instance through the GUI and benefit from features like A/B testing, affiliate tracking tools, and a high performance template engine with CSS stylesheets processing & scripts minification.
Free enterprise Java CMS https://ncms.softmotions.com ηCMS features Multiple websites on a single ηCMS application node. Can handle hundreds of simult
Play Framework
Play Framework - The High Velocity Web Framework The Play Framework combines productivity and performance making it easy to build scalable web applica
Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
Welcome to the Eclipse OpenJ9 repository We're not sure which route you might have taken on your way here, but we're really pleased to see you! If you
[INACTIVE] Avian is a lightweight virtual machine and class library designed to provide a useful subset of Java's features, suitable for building self-contained applications.
Avian - A lightweight Java Virtual Machine (JVM) PLEASE NOTE: This project is not currently being developed, maintained, or supported. Feel free to us
High performance JVM JSON library
DSL-JSON library Fastest JVM (Java/Android/Scala/Kotlin) JSON library with advanced compile-time databinding support. Compatible with DSL Platform. Ja
JCTools - Concurrency tools currently missing from the JDK.
JCTools Java Concurrency Tools for the JVM. This project aims to offer some concurrent data structures currently missing from the JDK: SPSC/MPSC/SPMC/
JitPack is a novel package repository for JVM and Android projects.
JitPack is a novel package repository for JVM and Android projects. It builds Git projects on demand and provides you with ready-to-use artifacts (jar, aar).
Low-latency Financial Information Exchange (FIX) engine for the JVM
Philadelphia Philadelphia is a low-latency Financial Information Exchange (FIX) engine for the JVM. You can use Philadelphia to connect to stock excha
Packages your JAR, assets and a JVM for distribution on Windows, Linux and Mac OS X
About Packages your JAR, assets and a JVM for distribution on Windows, Linux and macOS, adding a native executable file to make it appear like a nativ
Dead-Simple Packaging and Deployment for JVM Apps
Capsule Dead-Simple Packaging and Deployment for JVM Applications Capsule is a packaging and deployment tool for JVM applications. A capsule is a sing
Fibers, Channels and Actors for the JVM
Quasar Fibers, Channels and Actors for the JVM Getting started Add the following Maven/Gradle dependencies: Feature Artifact Core (required) co.parall
Fault tolerance and resilience patterns for the JVM
Failsafe Failsafe is a lightweight, zero-dependency library for handling failures in Java 8+, with a concise API for handling everyday use cases and t
A simple configuration library for Java applications providing a node structure, a variety of formats, and tools for transformation
Configurate Configurate is a simple configuration library for Java applications that provides a node-based representation of data, able to handle a wi
configuration library for JVM languages using HOCON files
Configuration library for JVM languages. If you have questions or are working on a pull request or just curious, please feel welcome to join the chat
A project to cause (controlled) destruction on your jvm application
Perses Cause (controlled) destruction to your jvm application Perses (Ancient Greek: Πέρσης) was the Titan god of destruction. His name is derived fro