100 Projects libraries and projects

  • LeakCanary

    9.8 8.5 L3 Kotlin
    A memory leak detection library for Android.
  • Arthas

    9.8 9.5 Java
    Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
  • Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
    Sponsored scoutapm.com
  • Seata

    9.8 9.1 Java
    :fire: Seata is an easy-to-use, high-performance, open source distributed transaction solution.
  • EventBus

    9.8 0.0 L4 Java
    Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.
  • Sentinel

    9.7 7.8 Java
    A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)
  • Nacos

    9.7 9.8 Java
    an easy-to-use dynamic service discovery, configuration and service management platform for building cloud native applications.
  • zipkin

    9.5 8.4 Java
    Zipkin is a distributed tracing system
  • webmagic

    9.4 6.6 Java
    A scalable web crawler framework for Java.
  • Graal

    9.4 10.0 Java
    GraalVM: Run Programs Faster Anywhere :rocket:
  • FizzBuzz Enterprise Edition

    9.3 0.0 Java
    FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.
  • bytecode-viewer

    9.2 0.3 Java
    A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)
  • Tink

    9.2 9.8 C++
    Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
  • Quarkus

    9.0 10.0 Java
    Quarkus: Supersonic Subatomic Java.
  • Cadence

    8.9 9.6 Go
    Cadence is a distributed, scalable, durable, and highly available orchestration engine to execute asynchronous long-running business logic in a scalable and resilient way.
  • JavaCV

    8.7 6.2 Java
    Java interface to OpenCV, FFmpeg, and more
  • Flowable (V6)

    8.7 9.6 Java
    A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
  • Leaf

    8.5 0.0 Java
    Distributed ID Generate Service
  • Micronaut

    8.4 9.8 Java
    Micronaut Application Framework
  • javalin

    8.3 8.3 Kotlin
    A simple and modern Java and Kotlin web framework
  • Trino

    8.3 10.0 Java
    Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
  • Apache Calcite

    8.2 9.2 Java
    Apache Calcite
  • Reflections

    8.2 0.0 Java
    Java runtime metadata analysis
  • Armeria

    8.0 9.6 Java
    Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.
  • Dragonwell8

    7.9 5.8 Shell
    Alibaba Dragonwell8 JDK
  • Java Faker

    7.7 4.5 Java
    Brings the popular ruby faker gem to Java
  • Apache Drill

    7.6 8.0 Java
    Apache Drill is a distributed MPP query layer for self describing data
  • unirest-java

    7.6 8.3 L2 Java
    Unirest in Java: Simplified, lightweight HTTP client library.
  • jOOR

    7.5 2.4 Java
    jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Other languages have much simpler constructs to access type meta information at runtime. Let us make Java reflection better.
  • RoaringBitmap

    7.4 7.6 Java
    A better compressed bitset in Java
  • OpenPDF

    7.0 9.0 Java
    OpenPDF is a free Java library for creating and editing PDF files with a LGPL and MPL open source license. OpenPDF is based on a fork of iText. We welcome contributions from other developers. Please feel free to submit pull-requests and bugreports to this GitHub repository. ⛺
  • ClassGraph

    7.0 9.1 Java
    An uber-fast parallelized Java classpath scanner and module scanner.
  • shedlock

    6.9 9.5 Java
    Distributed lock for your scheduled tasks
  • Temporal

    6.9 9.7 Go
    Temporal service and CLI
  • Siddhi

    6.8 7.6 Java
    Stream Processing and Complex Event Processing Engine
  • ta4j

    6.7 7.3 Java
    A Java library for technical analysis.
  • RabbitMQ Java client

    6.6 7.8 Java
    RabbitMQ Java client
  • p6spy

    6.6 3.7 Java
    P6Spy is a framework that enables database data to be seamlessly intercepted and logged with no code changes to the application.
  • Jaeger client

    6.6 5.3 Java
    Jaeger Bindings for Java OpenTracing API
  • Google HTTP Client

    6.6 8.9 Java
    Google HTTP Client Library for Java
  • Tabula

    6.4 6.8 Java
    Extract tables from PDF files
  • XChart

    6.4 8.5 Java
    XChart is a light-weight Java library for plotting data.
  • ReflectASM

    6.2 0.0 Java
    High performance Java reflection
  • Open HTML to PDF

    6.1 8.8 Java
    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)!
  • springdoc-openapi

    6.0 9.3 Java
    Library for OpenAPI 3 with spring-boot
  • jsweet

    5.9 8.5 Java
    A Java to JavaScript transpiler.
  • bucket4j

    5.9 6.7 Java
    Java rate limiting library based on token/leaky-bucket algorithm.
  • JBox2D

    5.9 0.3 L1 Java
    a 2d Java physics engine, native java port of the C++ physics engines Box2D and LiquidFun
  • ObjectiveSql

    5.9 9.7 Java
    ObjectiveSQL is an ORM framework in Java based on ActiveRecord pattern, which encourages rapid development and clean, codes with the least and convention over configuration.
  • jasync-sql

    5.8 6.6 Kotlin
    Java & Kotlin Async DataBase Driver for MySQL and PostgreSQL written in Kotlin
  • JFreeChart

    5.8 8.9 Java
    A 2D chart library for Java applications (JavaFX, Swing or server-side).
  • Adopt Open JDK

    5.7 8.9 Shell
    Temurin build scripts - common across all releases/versions
  • Simple Java Mail

    5.7 7.3 Java
    Simple API, Complex Emails (JavaMail smtp wrapper)
  • Elide

    5.6 9.6 Java
    Elide is a Java library that lets you stand up a GraphQL/JSON-API web service with minimal effort.
  • Tribuo

    5.6 8.2 Java
    Tribuo - A Java machine learning library
  • BioJava

    5.5 8.2 Java
    :book::microscope::coffee: BioJava is an open-source project dedicated to providing a Java library for processing biological data.
  • Stripe

    5.5 8.6 Java
    Java library for the Stripe API.
  • StringTemplate

    5.5 2.1 Java
    StringTemplate 4
  • Jansi

    5.3 7.8 C++
    Jansi is a small java library that allows you to use ANSI escape sequences to format your console output which works even on windows.
  • zt-exec

    5.2 2.1 Java
    ZeroTurnaround Process Executor
  • Parity

    5.2 3.0 Java
    Open source software platform for trading venues
  • Mixin

    5.1 6.5 Java
    Mixin is a trait/mixin and bytecode weaving framework for Java using ASM

    5.1 5.3 Java
    High performance JVM JSON library
  • easy-batch

    5.1 6.7 Java
    The simple, stupid batch framework for Java
  • ServiceTalk

    5.0 9.4 Java
    A networking framework that evolves with your application
  • Rocker

    4.8 0.0 Java
    Java 8 optimized, memory efficient, speedy template engine producing statically typed, plain java objects
  • Getdown

    4.7 4.3 Java
    Download, Install, Update
  • Objenesis

    4.6 7.3 Java
    Okay, it's pretty easy to instantiate objects in Java through standard reflection. However there are many cases where you need to go beyond what reflection provides. For example, if there's no public constructor, you want to bypass the constructor code, or set final fields. There are numerous clever (but fiddly) approaches to getting around this and this library provides a simple way to get at them. You will find the official site here.
  • AkkaGRPC

    4.5 8.5 Scala
    Akka gRPC
  • Aparapi

    4.5 5.1 Java
    The New Official Aparapi: a framework for executing native Java and Scala code on the GPU.
  • cache2k

    4.5 9.1 Java
    Lightweight, high performance Java caching
  • NATS client

    4.4 8.6 Java
    Java client for NATS
  • Mini2Dx

    4.3 0.0 Java
    A high-level cross-platform 2D game development API
  • oj! Algorithms

    4.3 8.0 Java
    oj! Algorithms
  • db-scheduler

    4.3 8.8 Java
    Persistent cluster-friendly scheduler for Java
  • Litiengine

    4.3 9.4 Java
    LITIENGINE 🕹 The pure 2D java game engine.
  • JobRunr

    4.2 9.0 Java
    An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.
  • Lingua

    4.0 7.1 Kotlin
    👄 The most accurate natural language detection library for Java and the JVM, suitable for long and short text alike
  • SAP Machine

    4.0 10.0 Java
    An OpenJDK release maintained and supported by SAP
  • FastCSV

    4.0 5.1 Java
    High performance CSV reader and writer for Java.
  • AranoDB

    4.0 7.6 Java
    The official ArangoDB Java driver.
  • JavaPackager

    3.9 8.8 Java
    :package: Gradle/Maven plugin to package Java applications as native Windows, Mac OS X, or GNU/Linux executables and create installers for them.
  • Doma 2

    3.9 8.8 Java
    DAO oriented database mapping framework for Java 8+
  • fastexcel

    3.9 7.9 Java
    Generate and read big Excel files quickly
  • Philadelphia

    3.9 7.8 Java
    Low-latency Financial Information Exchange (FIX) engine for the JVM
  • ASCII Table

    3.8 0.0 Java
    Several implementations of a text table, originally using ASCII and UTF-8 characters for borders.
  • XMLUnit

    3.8 5.9 Java
    XMLUnit for Java 2.x
  • jqwik

    3.8 9.7 Java
    Property-Based Testing on the JUnit Platform
  • Permazen

    3.8 5.4 HTML
    Language-Natural Persistence Layer for Java
  • ChartFx

    3.7 8.2 Java
    A scientific charting library focused on performance optimised real-time data visualisation at 25 Hz update rates for data sets with a few 10 thousand up to 5 million data points.
  • Kalium

    3.7 0.0 Java
    Java binding to the Networking and Cryptography (NaCl) library with the awesomeness of libsodium
  • Play WS

    3.7 6.4 Scala
    Standalone Play WS, an async HTTP client with fluent API
  • image-comparison

    3.6 2.9 Java
    Published on Maven Central Java Library that compares 2 images with the same sizes and shows the differences visually by drawing rectangles. Some parts of the image can be excluded from the comparison. Can be used for automation QA tests.
  • Text-IO

    3.6 1.2 Java
    A library for creating interactive console applications in Java
  • HyperMinHash-java

    3.6 1.0 Java
    Union, intersection, and set cardinality in loglog space
  • Drift

    3.6 0.1 Java
    An annotation-based Java library for creating Thrift serializable types and services.
  • OpenTracing Toolbox

    3.6 7.5 Java
    Best-of-breed OpenTracing utilities, instrumentations and extensions
  • jte

    3.5 9.3 Java
    Secure and speedy templates for Java and Kotlin.
  • Artipie

    3.5 9.4 Java
    Binary Artifact Management Tool
  • ActiveJ

    3.5 9.3 Java
    ActiveJ is an alternative Java platform built from the ground up. ActiveJ redefines web, high load, and cloud programming in Java, featuring ultimate performance and scalability!
  • Apache Qpid

    3.5 0.0 L1 Java
    Mirror of Apache Qpid

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