Showing 4422 open source projects for "java open source"

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    Cloud tools for web scraping and data extraction

    Deploy pre-built tools that crawl websites, extract structured data, and feed your applications. Reliable web data without maintaining scrapers.

    Automate web data collection with cloud tools that handle anti-bot measures, browser rendering, and data transformation out of the box. Extract content from any website, push to vector databases for RAG workflows, or pipe directly into your apps via API. Schedule runs, set up webhooks, and connect to your existing stack. Free tier available, then scale as you need to.
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  • 1
    Monero TypeScript Library

    Monero TypeScript Library

    TypeScript library for using Monero

    A TypeScript library for creating Monero applications using RPC and WebAssembly bindings to Monero v0.18.3.4 'Fluorine Fermi'. A TypeScript library for integrating Monero (XMR) transactions and blockchain functions in applications.
    Downloads: 4 This Week
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  • 2
    auth

    auth

    Authenticator via oauth2, direct, email and telegram

    This library provides “social login” with Github, Google, Facebook, Microsoft, Twitter, Yandex, Battle.net, Apple, Patreon, and Telegram as well as custom auth providers and email verification.
    Downloads: 5 This Week
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  • 3
    Clipboard

    Clipboard

    Your new smart clipboard manager

    Your second brain that remembers anything, anytime, anywhere. The Clipboard Project (CB for short) is the oh-so-awesome clipboard manager that's just like a second brain. It's fast and lightweight, feature-packed, and super user-friendly. Anyone can use CB - no matter who you are or what you're working on, from web developers to your Average Joe and even to your grandma. Nothing dares lay more than a few button presses away. We've packed, crammed, and jammed CB full of useful features to...
    Downloads: 6 This Week
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  • 4
    iText Community for .NET

    iText Community for .NET

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

    iText for .NET is the .NET version of the iText library, formerly known as iTextSharp, which it replaces. iText represents the next level of SDKs for developers who want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit, and enhance PDFs.
    Downloads: 5 This Week
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    Cloud inventory and manufacturing software

    Seriously capable, remarkably simple. Digit is the affordable ERP alternative that gets implemented in days.

    Digit is an inventory and manufacturing software designed to help companies track operations in real time. The cloud-based solution offers features for purchasing, receiving, inventory management, production, sales, and fulfillment.
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  • 5
    QuestPDF

    QuestPDF

    A library that can help you with generating PDF documents

    Quickly design and generate PDF documents with an open-source, modern, and battle-tested C# library. Forget about limitations, feel confident, enjoy your task and efficiently deliver professional products. QuestPDF is a progressive library that can help you with generating PDF documents in your .NET application by offering a friendly, discoverable and predictable C# fluent API. Do you believe that creating a complete invoice document can take less than 200 lines of code? ...
    Downloads: 6 This Week
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  • 6
    OpenBLAS

    OpenBLAS

    Optimized BLAS library based on GotoBLAS2 1.13 BSD version

    ...Because the BLAS are efficient, portable, and widely available, they are commonly used in the development of high-quality linear algebra software, LAPACK for example. The reference BLAS is included inside the LAPACK package. Please refer to tools built under Windows using Cmake the cross-platform, open-source build system. The new build system was developed in collaboration with Kitware Inc. Machine-specific optimized BLAS libraries are available for a variety of computer architectures. These optimized BLAS libraries are provided by the computer vendor or by an independent software vendor.
    Downloads: 6 This Week
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  • 7
    Nebular

    Nebular

    Customizable Angular UI Library based on Eva Design System

    ...Recognized at the prestigious AngularConnect 2018, this Angular framework allows focusing on beautiful designs to adapt them to your brand. Nebular is free of charge and open-source. Nebular is a customizable Angular UI Library based on Eva Design System specifications, with 40+ UI components, 4 visual themes, Auth and Security modules. Each feature is a separate npm module. Use only what you need. Sizes, colors, appearances, shapes, and other useful settings. Source code is free and available under the MIT license. ...
    Downloads: 5 This Week
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  • 8
    AWS Lambda for Go

    AWS Lambda for Go

    Libraries, samples and tools to help Go developers develop AWS Lambda

    Libraries, samples and tools to help Go developers develop AWS Lambda functions. Libraries, samples, and tools to help Go developers develop AWS Lambda functions. Preparing a binary to deploy to AWS Lambda requires that it is compiled for Linux and placed into a .zip file. Windows developers may have trouble producing a zip file that marks the binary as executable on Linux. To create a .zip that will work on AWS Lambda, the build-lambda-zip tool may be helpful.
    Downloads: 5 This Week
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  • 9
    Modernizr

    Modernizr

    JS library that detects HTML5 & CSS3 features in user’s browser

    Modernizr is a JavaScript library that tells you what HTML, CSS and JavaScript features are present in your user’s browser. This helps you to respond better to your users’ browser features and offer a more tailored experience. Differences in users’ browsers and devices can often cause differences in user experience when opening your web page. To provide a consistently great user experience, you need to be able to respond to your users’ browser features in the best way. Modernizr detects...
    Downloads: 5 This Week
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    Sustainability Data Management for Businesses

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  • 10
    libplacebo

    libplacebo

    Official mirror of libplacebo

    libplacebo is a flexible, high-performance graphics library built on top of Vulkan, designed to provide reusable GPU-accelerated components for media applications. It originated as a core part of the rendering pipeline for the mpv media player and has since grown into a standalone library used for tone mapping, dithering, color space conversion, and more. libplacebo is ideal for developers looking to integrate sophisticated video rendering and post-processing into their own applications with...
    Downloads: 6 This Week
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  • 11
    Riley's Graphics library FrameWork

    Riley's Graphics library FrameWork

    A cross platform lightweight single-header simple-to-use library

    RGFW (Really Good Framework) is a lightweight, C-based windowing and input library designed to be a minimal alternative to frameworks like GLFW or SDL. It supports OpenGL context creation, input handling, and simple file dialogs while staying highly portable and dependency-free. RGFW is ideal for developers who want tight control over their environment or want to build cross-platform applications with a tiny footprint. It’s particularly suited to educational, experimental, or embedded...
    Downloads: 6 This Week
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  • 12
    SymbolicUtils.jl

    SymbolicUtils.jl

    Symbolic expressions, rewriting and simplification

    SymbolicUtils is a practical symbolic programming utility in Julia. It lets you create, rewrite and simplify symbolic expressions, and generate Julia code from them. SymbolicUtils.jl provides various utilities for symbolic computing. SymbolicUtils.jl is what one would use to build a Computer Algebra System (CAS). If you're looking for a complete CAS, similar to SymPy or Mathematica, see Symbolics.jl. If you want to build a crazy CAS for your weird Octonian algebras, you've come to the right...
    Downloads: 6 This Week
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  • 13
    tapir

    tapir

    Declarative, type-safe web endpoints library

    Declarative, type-safe web endpoints library. With tapir, you can describe HTTP API endpoints as immutable Scala values. Each endpoint can contain a number of input and output parameters. Compile-time guarantees, develop-time completions, read-time information. Separate the shape of the endpoint (the "what"), from the server logic (the "how"). Generate documentation from endpoint descriptions. Leverage the metadata to report rich metrics and tracing information. Re-use common endpoint...
    Downloads: 6 This Week
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  • 14
    RF24

    RF24

    OSI Layer 2 driver for nRF24L01 on Arduino & Raspberry Pi/Linux

    Optimized high-speed driver for nRF24L01(+) 2.4GHz wireless transceiver. More compliant with the manufacturer specified operation of the chip, while allowing advanced users to work outside the recommended operation. Utilize the capabilities of the radio to their full potential via Arduino. More reliable, responsive, bug-free and feature-rich. Easy for beginners to use, with well-documented examples and features. Consumed with a public interface that's similar to other Arduino standard...
    Downloads: 6 This Week
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  • 15
    tabler icons

    tabler icons

    1950 free MIT-licensed high-quality SVG icons

    A set of over 1950 free MIT-licensed high-quality SVG icons for you to use in your web projects. Over 1950 pixel-perfect icons for web design. Free and open-source icons designed to make your website or app attractive, visually consistent, and simply beautiful. Each icon is designed on a 24x24 grid and a 2px stroke. All icons are built with SVG, so you can place them as <img>, background-image and inline in HTML code. If you load an icon as an image, you can modify its size using CSS. ...
    Downloads: 6 This Week
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  • 16
    hosts

    hosts

    Consolidate and extend hosts files from several well-curated sources

    Consolidating and extending hosts files from several well-curated sources. You can optionally pick extensions to block pornography, social media, and other categories. The unified hosts file is optionally extensible. Extensions are used to include domains by category. Currently, we offer the following categories: fakenews, social, gambling, and porn. Extensions are optional, and can be combined in various ways with the base hosts file. The combined products are stored in the alternates...
    Downloads: 8 This Week
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  • 17
    Cookbook (Google Gemini)

    Cookbook (Google Gemini)

    Examples and guides for using the Gemini API

    The Gemini Cookbook is an official repository of examples and guides for using Google’s Gemini API. It provides a structured learning path with quick-start tutorials for beginners and practical examples for advanced users. The repository covers a wide range of Gemini capabilities, including text, images, video, speech, robotics, and multimodal interactions. It highlights newly introduced features such as Gemini 2.5 models (Flash and Pro), Gemini’s native image generation, Veo for video...
    Downloads: 7 This Week
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  • 18
    Unikraft

    Unikraft

    A next-generation cloud native kernel designed to unlock performance

    ...Unikraft optimizes resource utilization, leading to smaller footprints (meaning higher server saturation) and improved efficiency in resource-constrained environments. Unikraft is an open-source project driven by a vibrant community of over 100 developers, fostering collaboration and innovation from industry and academia. Unikraft boasts a modular design approach, allowing developers to include only necessary components, resulting in leaner and more efficient operating-system configurations. Unikraft is fully modular, with a constantly growing ecosystem with many popular open-source operating systems and application libraries like musl and openssl available for use, allowing you to pick and choose exactly what you need for your target application.
    Downloads: 5 This Week
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  • 19
    jCanvas

    jCanvas

    A jQuery plugin that makes the HTML5 canvas easy to work with

    jCanvas is a jQuery plugin that makes the HTML5 canvas easy to work with. jCanvas is a JavaScript library, written using jQuery and for jQuery, that wraps around the HTML5 canvas API, adding new features and capabilities, many of which are customizable. Capabilities include layers, events, drag-and-drop, animation, and much more. The result is a flexible API wrapped up in a sugary, jQuery-esque syntax that brings power and ease to the HTML5 canvas.
    Downloads: 3 This Week
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  • 20
    MQTTnet

    MQTTnet

    High performance .NET library for MQTT based communication

    MQTTnet is a high-performance .NET library for MQTT-based communication. It provides an MQTT client and an MQTT server (broker) and supports the MQTT protocol up to version 5. TLS support for client and server (but not UWP servers). Extensible communication channels (e.g. In-Memory, TCP, TCP+TLS, WS). Lightweight (only the low-level implementation of MQTT, no overhead). Performance optimized (processing ~150.000 messages/second). Uniform API across all supported versions of the MQTT...
    Downloads: 7 This Week
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  • 21
    React

    React

    A JavaScript library for building user interfaces

    React makes it painless to create interactive UIs. Design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes. React lets you build user interfaces out of individual pieces called components. Create your own React components like Thumbnail, LikeButton, and Video. Then combine them into entire screens, pages, and apps. Whether you work on your own or with thousands of other developers, using React...
    Downloads: 10 This Week
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  • 22
    Cats Effect

    Cats Effect

    The pure asynchronous runtime for Scala

    Cats-Effect is a high-quality functional programming library for Scala that provides a principled way to represent and manage side effects, particularly asynchronous and concurrent computations. It is part of the broader Typelevel ecosystem and builds on the abstractions from Cats (such as Functor, Monad, etc.). The core abstraction is the IO type (or effect types more generally), which encodes effectful computations in a pure, referentially transparent way. Cats-Effect offers capabilities...
    Downloads: 0 This Week
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  • 23
    GPUPixel

    GPUPixel

    Real-time image and video processing library similar to GPUImage

    GPUPixel is a real-time image and video processing library written in C++11, based on OpenGL/ES. It offers functionalities similar to GPUImage, including built-in beauty filters, enabling efficient processing and rendering of visual effects on images and videos.
    Downloads: 3 This Week
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  • 24
    Allegro

    Allegro

    The official Allegro 5 git repository. Pull requests welcome

    Allegro 5 is the latest major revision of the Allegro library, designed to take advantage of modern hardware, including hardware acceleration using 3D cards.
    Downloads: 3 This Week
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  • 25
    Rapidcsv

    Rapidcsv

    C++ CSV parser library

    Rapidcsv is an easy-to-use C++ CSV parser library. It supports C++11 (and later), is header-only and comes with a basic test suite.
    Downloads: 3 This Week
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