Showing 506 open source projects for "core java"

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  • 1
    jackson-core

    jackson-core

    Core part of Jackson that defines Streaming API

    This project contains core low-level incremental ("streaming") parser and generator abstractions used by Jackson Data Processor. It also includes the default implementation of handler types (parser, generator) that handle JSON format. The core abstractions are not JSON specific, although naming does contain 'JSON' in many places, due to historical reasons. Only packages that specifically contain the word 'json' are JSON-specific. This package is the base on which Jackson's data-binding...
    Downloads: 35 This Week
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  • 2
    Swagger Core

    Swagger Core

    Examples, server integrations for generating Swagger API Specification

    Swagger Core is a Java implementation of the OpenAPI Specification. Current version supports JAX-RS2 (javax and jakarta namespaces). One of the common usage scenarios is to integrate swagger-jaxrs2 into an existing or new JAX-RS based project ("code-first"), to automatically provide and expose its APIs definition, which is kept in sync during the project lifecycle.
    Downloads: 1 This Week
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  • 3
    Reactor Core

    Reactor Core

    Non-Blocking Reactive Foundation for the JVM

    Reactor Core is a foundational library for building reactive applications in Java, providing a powerful API for asynchronous, non-blocking programming.
    Downloads: 0 This Week
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  • 4
    iText Core/Community

    iText Core/Community

    iText for .NET is the .NET version of the iText library

    iText Core/Community (previously known as iTextSharp) is a high-performance, battle-tested library that allows you to create, adapt, inspect, and maintain PDF documents, allowing you to add PDF functionality to your software projects with ease. It is also available for Java. For more advanced examples, refer to our Knowledge Base or the main Examples repo.
    Downloads: 3 This Week
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  • 5
    Java Tablesaw

    Java Tablesaw

    Java dataframe and visualization library

    ...Here are a few examples of the new library in action. Descriptive stats: mean, min, max, median, sum, product, standard deviation, variance, percentiles, geometric mean, skewness, kurtosis, etc. Add tablesaw-core to your project. You can find the version number for the latest release in the release notes.
    Downloads: 2 This Week
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  • 6
    commonmark-java

    commonmark-java

    Java library for parsing and rendering CommonMark (Markdown)

    Java library for parsing and rendering Markdown text according to the CommonMark specification (and some extensions). Provides classes for parsing input to an abstract syntax tree of nodes (AST), visiting and manipulating nodes, and rendering to HTML. It started out as a port of commonmark.js, but has since evolved into a full library with a nice API.
    Downloads: 1 This Week
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  • 7
    DSA Bootcamp Java

    DSA Bootcamp Java

    This repository consists of the code samples, assignments, and notes

    DSA Bootcamp Java is an open source educational repository created by Kunal Kushwaha to teach Data Structures and Algorithms (DSA) using Java. It is designed as a structured bootcamp, covering fundamental concepts to advanced problem-solving techniques. The project provides explanations, exercises, assignments, and practice problems, making it useful for both beginners and intermediate learners who want to strengthen their Java and algorithmic skills. The repository is organized into...
    Downloads: 4 This Week
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  • 8
    BotCity Framework Core Python

    BotCity Framework Core Python

    BotCity Framework - Python

    Recognize and interact with UI elements using state-of-art computer vision module. Operate any UI interface independent of the technology or platform (desktop, web, terminal). BotCity is a platform to develop, deploy, manage and maintain automation. Automation can be developed in Python or Java using open-source libraries that are market standard. Develop, deploy, manage and scale your Automation Ops using All in One platform that provides task queue, runtime environment management, reports,...
    Downloads: 0 This Week
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  • 9
    Azure SDK for Java

    Azure SDK for Java

    Active development of the Azure SDK for Java

    ...New wave of packages that follow the Azure SDK Design Guidelines for Java and share a number of core features such as HTTP retries, logging, transport protocols, authentication protocols, etc., so that once you learn how to use these features in one client library, you will know how to use them in other client libraries. These libraries can be easily identified by folder, package, and namespaces names starting with azure-, e.g. azure-key vault.
    Downloads: 2 This Week
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  • 10
    Apache Lucene

    Apache Lucene

    Apache Lucene open-source search software

    The Apache Lucene™ project develops open-source search software. The project releases a core search library, named Lucene™ core, as well as PyLucene, a Python binding for Lucene. Lucene Core is a Java library providing powerful indexing and search features, as well as spellchecking, hit highlighting and advanced analysis/tokenization capabilities. The PyLucene sub-project provides Python bindings for Lucene Core. The Apache Software Foundation provides support for the Apache community of open-source software projects. ...
    Downloads: 1 This Week
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  • 11
    AWS Encryption SDK for Java
    The AWS Encryption SDK is a client-side encryption library designed to make it easy for everyone to encrypt and decrypt data using industry standards and best practices. It enables you to focus on the core functionality of your application, rather than on how to best encrypt and decrypt your data. The AWS Encryption SDK is provided free of charge under the Apache 2.0 license. With the AWS Encryption SDK, you define a master key provider (Java and Python) or a keyring (C, C#/.NET, and JavaScript) that determines which wrapping keys you use to protect your data. ...
    Downloads: 0 This Week
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  • 12
    Thread Affinity

    Thread Affinity

    Bind a java thread to a given core

    Lets you bind a thread to a given core, this can improve performance (this library works best on linux). Java-Thread-Affinity will try to use JNA to provide access to native thread-handling functions. JNA should be installed on your system to get the most from this library. Java-Thread-Affinity currently depends on JNA version 4.4.0, which in turn depends on a version of GLIBC >= 2.14.
    Downloads: 2 This Week
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  • 13
    IntelliJ Community Edition

    IntelliJ Community Edition

    IntelliJ IDEA & IntelliJ Platform

    IntelliJ Community is the open source upstream of JetBrains’ IntelliJ IDEA, forming the core of a powerful, extensible, and intelligent development environment. It provides foundational features like a robust editor with code completion, syntax highlighting, refactoring tools, version control integrations, terminal, debugger, and plugin architecture. Since it’s open, community developers can contribute to language supports, UI tweaks, and platform enhancements.
    Downloads: 1,732 This Week
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  • 14
    Apache SkyWalking Java Agent

    Apache SkyWalking Java Agent

    The Java agent for Apache SkyWalking

    SkyWalking-Java: The Java Agent for Apache SkyWalking, which provides native tracing/metrics/logging abilities for Java projects. SkyWalking: an APM(application performance monitor) system, specially designed for microservices, cloud-native and container-based (Docker and Kubernetes) architectures.
    Downloads: 0 This Week
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  • 15
    Guava

    Guava

    Google core libraries for Java

    Guava is a set of core libraries that includes new collection types (such as multimap and multiset), immutable collections, a graph library, and utilities for concurrency, I/O, hashing, primitives, strings, and more!
    Downloads: 3 This Week
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  • 16
    AndroidLibXrayLite

    AndroidLibXrayLite

    Lightweight Android library that bundles the Xray networking core

    AndroidLibXrayLite is a lightweight Android library that bundles the Xray networking core as an embeddable component for apps. Its purpose is to provide a minimal, size-optimized build of the native core with a clear Java/Kotlin interface to start, stop, and configure network tunnels. By exposing the core as an AAR with per-ABI artifacts, it keeps application footprints small while supporting common CPU architectures.
    Downloads: 9 This Week
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  • 17
    Prowide Core

    Prowide Core

    Java framework for SWIFT [tm] MT (FIN) messaging

    Prowide Core (previously known as WIFE) is an open source Java framework for managing SWIFT MT messages. The library key features are the comprehensive Java model for all MT message types, along a straight-forward parsing and building API. The project is active since 2006, production ready and commercially supported. For detail information on the support package options please check: https://www.prowidesoftware.com/services SWIFT is a trademark of S.W.I.F.T. ...
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    Downloads: 2 This Week
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  • 18
    JavaGuide

    JavaGuide

    "Java Learning + Interview Guide" covers the core Java knowledge

    ...The repository also includes sections on computer science basics such as operating systems, networks, and data structures, along with practical guides for databases, Redis, MySQL, and MongoDB. Beyond core Java, JavaGuide covers tools like Maven, Docker, Git, and frameworks like Spring, Spring Boot, and MyBatis. Its structured approach makes it a comprehensive handbook for both beginners and experienced backend engineers.
    Downloads: 2 This Week
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  • 19
    Helidon

    Helidon

    Java libraries for writing microservices

    Helidon is a cloud-native, open‑source set of Java libraries for writing microservices that run on a fast web core powered by Netty. Helidon Níma is the first Java microservices framework based on virtual threads. Helidon is designed to be simple to use, with tooling and examples to get you going quickly. Since Helidon is simply a collection of Java libraries running on a fast Netty core, there is no extra overhead or bloat.
    Downloads: 2 This Week
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  • 20
    Apache Maven

    Apache Maven

    Apache Maven core

    Maven is a project development management and comprehension tool. Based on the concept of a project object model: builds, dependency management, documentation creation, site publication, and distribution publication are all controlled from the pom.xml declarative file. Maven can be extended by plugins to utilize a number of other development tools for reporting or the build process.
    Downloads: 44 This Week
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  • 21
    Eclair

    Eclair

    A scala implementation of the Lightning Network

    Eclair (French for Lightning) is a Scala implementation of the Lightning Network. This software follows the Lightning Network Specifications (BOLTs). Other implementations include c-lightning, lnd, electrum, and rust-lightning. Eclair offers a feature-rich HTTP API that enables application developers to easily integrate. Eclair's JSON API should NOT be accessible from the outside world (similarly to Bitcoin Core API). Eclair requires Bitcoin Core 0.20.1 or 0.21.1. (other versions of Bitcoin...
    Downloads: 2 This Week
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  • 22
    CodeGuide

    CodeGuide

    This repository is a collection of the author, Xiao Fuge

    CodeGuide is a curated collection of Java development resources built from years of real-world engineering experience by the author, who has worked extensively in large-scale internet companies. The project serves as a structured and comprehensive learning path for developers who want to strengthen their understanding of Java fundamentals and core programming practices. It includes detailed explanations of design patterns, source code analysis, frameworks, algorithms, and real-world project cases. ...
    Downloads: 4 This Week
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  • 23
    OpenNMS

    OpenNMS

    Enterprise-Grade Open-Source Network Management Platform

    OpenNMS is an open-source network monitoring platform that helps you visualize and monitor everything on your local and distributed networks. OpenNMS offers comprehensive fault, performance, and traffic monitoring with alarm generation in one place. Highly customizable and scalable, OpenNMS integrates with your core business applications and workflows.
    Downloads: 6 This Week
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  • 24
    WebMagic

    WebMagic

    A scalable web crawler framework for Java

    WebMagic is a scalable crawler framework. It covers the whole lifecycle of crawler, downloading, url management, content extraction and persistent. It can simplify the development of a specific crawler. WebMagic is a simple but scalable crawler framework. You can develop a crawler easily based on it. WebMagic has a simple core with high flexibility, a simple API for html extracting. It also provides annotation with POJO to customize a crawler, and no configuration is needed. Some other...
    Downloads: 1 This Week
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  • 25
    Dependabot

    Dependabot

    Dependabot's core logic for creating update PR's

    Dependabot-Core is the library at the heart of Dependabot security/version updates. Use it to generate automated pull requests updating dependencies for projects written in Ruby, JavaScript, Python, PHP, Dart, Elixir, Elm, Go, Rust, Java and .NET. It can also update git submodules, Docker files, and Terraform files. Check for the latest version of a dependency that's resolvable given a project's other dependencies.
    Downloads: 9 This Week
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