Showing 932 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
    Compiled

    Compiled

    A familiar and performant compile time CSS-in-JS library for React

    A familiar and performant compile-time CSS-in-JS library for React. Using APIs and behavior you may already be familiar with, write your styles in JavaScript with the full power of CSS, leveraging the language to create expressive & dynamic experiences. Build with your bundler of choice or just Babel, resulting in very performant components that have their styles built ahead of time. Turn on extraction and all components styled in your app and sourced through NPM will have their runtime...
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  • 2
    Fable

    Fable

    F# to JavaScript compiler

    Type inference provides robustness and correctness, but without the cost of additional code. Let the compiler catch bugs for you. Fable produces readable JavaScript code compatible with ES2015 standards and popular tooling like Webpack. Call JavaScript from Fable or Fable from JS. Use NPM packages. The entire JavaScript ecosystem is at your fingertips. Choose your favorite tool, from Visual Studio Code to JetBrains Rider. Fable supports the F# core library and some common .NET libraries to...
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  • 3
    tRPC

    tRPC

    End-to-end typesafe APIs made easy

    tRPC allows you to easily build & consume fully typesafe APIs, without schemas or code generation. As TypeScript and static typing increasingly become a best practice in web programming, the API presents a major pain point. We need better ways to statically type our API endpoints and share those types between our client and server (or server-to-server). We set out to build a simple library for building typesafe APIs that leverage the full power of modern TypeScript. Introducing RPC!...
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  • 4
    Mock Service Worker

    Mock Service Worker

    Seamless REST/GraphQL API mocking library for browser and Node.js

    Mock by intercepting requests on the network level. Seamlessly reuse the same mock definition for testing, development, and debugging. A dedicated layer of requests interception at your disposal. Keep your application's code and tests unaware of whether something is mocked or not. Request the same production resources and test the actual behavior of your app. Augment an existing API, or design it as you go, when there is none. Use Express-like routing syntax to capture outgoing requests....
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  • Axe Credit Portal - ACP- is axefinance’s future-proof AI-driven solution to digitalize the loan process from KYC to servicing, available as a locally hosted or cloud-based software. Icon
    Axe Credit Portal - ACP- is axefinance’s future-proof AI-driven solution to digitalize the loan process from KYC to servicing, available as a locally hosted or cloud-based software.

    Banks, lending institutions

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  • 5
    flicking

    flicking

    Reliable, flexible and extendable carousel

    Everyday 30 million people experience. It's a reliable, flexible, and extendable carousel. Flicking is fully written in Typescript, and every class, property, and event are correctly typed and exported. Flicking comes with a rich API. You can use it to create your own customized Flicking & Plugins. With the Promise polyfill and flicking-inline CSS, Flicking can support Internet Explorer 9+. Flicking is designed to support Server-Side Rendering(SSR), and can be used with famous SSR frameworks...
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  • 6
    NGX-Translate

    NGX-Translate

    The internationalization (i18n) library for Angular

    NGX-Translate is an internationalization library for Angular. It lets you define translations for your content in different languages and switch between them easily. It gives you access to a service, a directive and a pipe to handle any dynamic or static content. NGX-Translate is also extremely modular. It is written in a way that makes it really easy to replace any part with a custom implementation in case the existing one doesn't fit your needs. The main part of the library is named core....
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  • 7
    Elasticsearch Node.js client

    Elasticsearch Node.js client

    Elasticsearch client library for Node.js

    Node.js client for Elasticsearch. The client versioning follows the Elastic Stack versioning, this means that major, minor, and patch releases are done following a precise schedule that often does not coincide with the Node.js release times. Language clients are forward compatible; meaning that clients support communicating with greater or equal minor versions of Elasticsearch. Elasticsearch language clients are only backwards compatible with default distributions and without guarantees...
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  • 8
    noUiSlider

    noUiSlider

    JavaScript range slider with multi-touch and keyboard support

    noUiSlider is a lightweight, ARIA-accessible JavaScript range slider with multi-touch and keyboard support. It is fully GPU animated: no reflows, so it is fast; even on older devices. It also fits wonderfully in responsive designs and has no dependencies. noUiSlider is a lightweight range slider with multi-touch support and a ton of features. It supports non-linear ranges, requires no external dependencies, has keyboard support, and it works great in responsive designs. Have you tried this...
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  • 9
    URQL

    URQL

    The highly customizable and versatile GraphQL client

    The highly customizable and versatile GraphQL client with which you add on features like normalized caching as you grow. urql is a highly customizable and versatile GraphQL client with which you add on features like normalized caching as you grow. It's built to be both easy to use for newcomers to GraphQL, and extensible, to grow to support dynamic single-app applications and highly customized GraphQL infrastructure. In short, urql prioritizes usability and adaptability. As you're adopting...
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  • Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution Icon
    Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution

    K-12 Schools, Higher Education, Businesses, Restaurants

    Rise Vision is the #1 digital signage company, offering easy-to-use cloud digital signage software compatible with any player across multiple screens. Forget about static displays. Save time and boost sales with 500+ customizable content templates for your screens. If you ever need help, get free training and exceptionally fast support.
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  • 10
    React-Toastify

    React-Toastify

    React notification made easy

    React-Toastify allows you to add notifications to your app with ease. No more nonsense! Easy to set up for real, you can make it work in less than 10sec! Super easy to customize, RTL support, swipe to close. Can choose swipe direction. Super easy to use an animation of your choice. Can display a react component inside the toast! Has onOpen and onClose hooks. Both can access the props passed to the react component rendered inside the toast. Can remove a toast programmatically. Define behavior...
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  • 11
    SWR

    SWR

    React Hooks library for remote data fetching

    The name “SWR” is derived from stale-while-revalidate, a HTTP cache invalidation strategy popularized by HTTP RFC 5861. SWR is a strategy to first return the data from cache (stale), then send the fetch request (revalidate), and finally come with the up-to-date data. With SWR, components will get a stream of data updates constantly and automatically. And the UI will be always fast and reactive. With just one single line of code, you can simplify the logic of data fetching in your project,...
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  • 12
    Yangshun Lago

    Yangshun Lago

    Data Structures and Algorithms library in TypeScript and JavaScript

    Lago is a study-oriented library of classic data structures and algorithms implemented in JavaScript with an emphasis on readability and learning. Instead of aiming to be a production runtime, it serves as a reference you can step through to understand how arrays, stacks, queues, linked lists, trees, heaps, graphs, and sorting/searching routines actually work. The implementations favor clarity over micro-optimizations, making them approachable for learners who are new to algorithmic thinking...
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  • 13
    Better Stack JavaScript client

    Better Stack JavaScript client

    Better Stack JavaScript client

    Logtail is now part of Better Stack. Better Uptime and Logtail have been rebranded as Uptime and Logs on the Better Stack platform. Our mission is to help developers in building a better internet. And we believe that with the new fully integrated Better Stack platform, we’re simplifying the experience for the developers leveraging Better Stack even further. Formerly Logtail, lets you visualize your entire stack, turn your logs into structured data, and query everything like a single database...
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  • 14
    Laravel Kit

    Laravel Kit

    A desktop Laravel admin panel app

    A simple and elegant desktop application for managing your Laravel applications. Kit is an admin panel desktop app for Laravel projects. You can execute artisan commands in a graphical user interface and also tinker with your project. When you open your project in Kit, Kit will retrieve all the available artisan commands. No configuration is needed. The left sidebar contains a list of all artisan commands in your project except the queue. Select command and all the detailed inputs will...
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  • 15
    Vacuum Card

    Vacuum Card

    Vacuum cleaner card for Home Assistant Lovelace UI

    Vacuum Card is a custom UI component for Home Assistant (specifically its Lovelace dashboard) that provides a user-friendly control panel for robot vacuum cleaners — something the default Home Assistant UI doesn’t supply by default. With vacuum-card installed, users get a visual card on their dashboard showing the vacuum’s state (e.g. cleaning, docked, battery level) and controls to start, stop, pause, or send the robot back to dock, directly from their Home Assistant interface. The card...
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  • 16
    Nano Events

    Nano Events

    Simple and tiny (107 bytes) event emitter library for JavaScript

    Nano Events is a minimalistic, high-performance event emitter library for JavaScript. Its goal is to provide the simplest possible API to add pub/sub capabilities (emitters and listeners) to any JS object or application, while keeping overhead and bundle size extremely small. Rather than offering many complex features, nanoevents focuses on the core primitives: creating an emitter, subscribing to named events, emitting events with arbitrary data, and unsubscribing. Because of its minimal API...
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  • 17
    Personal Security Checklist

    Personal Security Checklist

    A compiled checklist of 300+ tips for protecting digital security

    Personal Security Checklist is a comprehensive, plain-language checklist for improving personal digital security and privacy across devices, accounts, and everyday workflows. It’s organized so that complete beginners can make quick, high-impact changes, while advanced users can dig into deeper hardening steps. The guidance spans topics like passwords, 2FA, device encryption, browser hygiene, network safety, backups, and incident response planning. Each section breaks recommendations into...
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  • 18
    Ultracite

    Ultracite

    A highly opinionated, zero-configuration linter and formatter

    Ultracite is a highly opinionated, zero-configuration linting and formatting preset designed primarily for modern JavaScript/TypeScript codebases. It is built on top of the Biome toolchain (written in Rust) and aims to deliver sub-second performance so that formatting and linting feel seamless, even on large projects. Because it comes pre-configured with sensible defaults for frameworks like React and Next.js, developers can adopt it with minimal setup—simply run npx ultracite init and start...
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  • 19
    Dockge

    Dockge

    A fancy, easy-to-use and reactive self-hosted docker compose.yaml

    Dockge is a self-hosted, stack-oriented manager for Docker Compose files designed to simplify container management with a modern web interface. Instead of treating each container individually, it focuses on stacks defined by docker-compose.yaml files, allowing users to create, edit, start, stop, restart, and delete entire stacks through a UI rather than via CLI only. The tool preserves the stack files on disk (rather than hiding them inside a database), so users retain full flexibility to...
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  • 20
    ink-kit

    ink-kit

    Onchain-focused SDK with ready-to-use templates and themes

    ink-kit is a developer toolkit for building applications on the INK blockchain ecosystem, bundling the pieces you typically need to go from a blank repo to a working dapp. It provides contract templates, deployment scripts, and client SDKs so you can iterate on on-chain logic and a frontend without stitching together disparate tools. The kit standardizes project layout and environment configuration, making local development, testing, and staging deploys predictable. Utilities for wallet...
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  • 21
    type-challenges

    type-challenges

    Collection of TypeScript type challenges with online judge

    type-challenges is a massive set of TypeScript type-level puzzles that turn the compiler into a playground for metaprogramming. Each challenge is a miniature kata where you implement types that transform other types—parsing strings, inferring tuples, mapping unions—without writing any runtime code. Problems are arranged from warm-ups to brain-twisters, letting developers build intuition about distributive conditional types, inference in extends, variance, and other corner cases of the type...
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  • 22
    RealWorld

    RealWorld

    Exemplary fullstack Medium.com clone powered by React, Angular, Node

    RealWorld is the “mother of all demo apps”—a full spec and starter backend/frontend that implements a Medium-like blogging platform to showcase best practices across many frameworks. Instead of trivial todo lists, it provides a realistic feature set: authentication, CRUD operations, pagination, comments, profiles, tagging, and favoriting. The same spec is realized dozens of times (React, Vue, Svelte, Angular, Solid, Next, Remix, and many more), alongside multiple server implementations, so...
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  • 23
    Visual Blocks

    Visual Blocks

    Visual Blocks for ML is a Google visual programming framework

    Visual Blocks is a node-based, in-browser environment for building AI and data-processing workflows with drag-and-drop components. It lets you connect sources, transforms, models, and visualizers into a live graph, so changes propagate instantly and results are observable without writing glue code. Under the hood it leans on web-friendly runtimes (e.g., WebGPU/WebGL/WebNN or TensorFlow.js backends) to execute pipelines locally, which is great for demos, teaching, and privacy-sensitive...
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  • 24
    Shumai

    Shumai

    Fast Differentiable Tensor Library in JavaScript & TypeScript with Bun

    Shumai is an experimental differentiable tensor library for TypeScript and JavaScript, developed by Facebook Research. It provides a high-performance framework for numerical computing and machine learning within modern JavaScript runtimes. Built on Bun and Flashlight, with ArrayFire as its numerical backend, Shumai brings GPU-accelerated tensor operations, automatic differentiation, and scientific computing tools directly to JavaScript developers. It allows seamless integration of machine...
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  • 25
    hmpl

    hmpl

    Server-oriented customizable templating for JavaScript

    hmpl is a small template language for displaying UI from server to client. It is based on customizable requests sent to the server via fetch and processed into ready-made HTML. The language is syntactically object-based and integrated with JSON5. Reduce the size of your javascript files and display the same UI as if it was written in a modern framework. Using HMPL, you can multiply reduce the size of the application bundle. Full customization of the request based on the modern fetch...
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