Showing 792 open source projects for "javascript ui library"

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  • 1
    MIT License

    MIT License

    Hosted MIT License with details controlled through this repo

    The MIT License repository is a simple GitHub project that hosts the full text of the MIT License and provides a stable reference for developers who want to include permissive licensing details in their work. The MIT License itself is one of the most widely used open-source licenses because it allows reuse, modification, distribution, and even proprietary use, as long as copyright notices and license texts are preserved. This repository offers an easy way to copy the license text, understand...
    Downloads: 5 This Week
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  • 2
    Signature Pad

    Signature Pad

    HTML5 canvas based smooth signature drawing

    Signature Pad is a JavaScript library for drawing smooth signatures. It's HTML5 canvas based and uses variable width Bézier curve interpolation based on Smoother Signatures post by Square. It works in all modern desktop and mobile browsers and doesn't depend on any external libraries. Demo works in desktop and mobile browsers. You can check out its source code for some tips on how to handle window resize and high DPI screens.
    Downloads: 9 This Week
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  • 3
    FlatBuffers

    FlatBuffers

    Memory Efficient Serialization Library

    ...FlatBuffers supports Windows, MacOS, Linux and Android, as well as any other operating systems with a recent C++ compiler. It supports a great number of programming languages, including C++, C#, C, Go, Java, Kotlin, JavaScript, Lobster, Lua, TypeScript, PHP and many others in progress.
    Downloads: 9 This Week
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  • 4
    magic-string

    magic-string

    Manipulate strings like a wizard

    magic-string is a small JavaScript utility for editing strings while preserving accurate source maps. It is designed for compilers, bundlers, preprocessors, and code transformation tools that need to rewrite source code safely. The library lets developers overwrite, append, prepend, remove, move, and slice sections of text without losing track of where transformed content came from.
    Downloads: 0 This Week
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    GoJS

    GoJS

    JavaScript diagramming library for interactive flowcharts & org charts

    Build interactive flowcharts or flow diagrams. Let your users build, modify, and save diagrams with JSON model output. Visualize state charts and other behavior diagrams. Create diagrams with live updates to monitor state, or interactive diagrams for planning. GoJS allows considerable customization of links and nodes to build all kinds of diagrams. Visualize flow, or connect pipes. Create genogram and medical diagrams, or editable family trees with collapsible levels. Create classic org...
    Downloads: 4 This Week
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  • 6
    react-error-boundary

    react-error-boundary

    Simple reusable React error boundary component

    ...It wraps React’s error-handling primitives in a single <ErrorBoundary> component with a predictable API for rendering fallbacks when descendant components throw during render, lifecycle, or event handlers. The library emphasizes recovery, not just failure: you can reset the error state programmatically or when certain “reset keys” change, returning the subtree to a healthy state without a full page refresh. It supports both declarative fallbacks (elements) and a render-prop approach so you can tailor the UI to the error and provide retry buttons or diagnostics. ...
    Downloads: 4 This Week
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  • 7
    RxDart

    RxDart

    The Reactive Extensions for Dart

    ...By emphasizing immutability and one-way data flow, RxDart helps isolate side effects and makes complex state transitions easier to reason about. It’s widely used to coordinate UI events, network requests, and caching layers, especially when timing and concurrency are non-trivial. The library aims to stay idiomatic with Dart Streams while giving developers the ergonomic power long associated with the ReactiveX family. In practice, it encourages clear separation between data producers, transformers, and consumers.
    Downloads: 4 This Week
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  • 8
    Casbin

    Casbin

    An authorization library that supports access control models

    An authorization library that supports access control models like ACL, RBAC, ABAC for Golang, Java, C/C++, Node.js, Javascript, PHP, Laravel, Python, .NET (C#), Delphi, Rust, Ruby, Swift (Objective-C), Lua (OpenResty), Dart (Flutter) and Elixir. In Casbin, an access control model is abstracted into a CONF file based on the PERM metamodel (Policy, Effect, Request, Matchers).
    Downloads: 8 This Week
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  • 9
    Testcontainers node

    Testcontainers node

    Supports tests, providing lightweight, throwaway instances of database

    Testcontainers is an open source library for providing throwaway, lightweight instances of databases, message brokers, web browsers, or just about anything that can run in a Docker container. No more need for mocks or complicated environment configurations. Define your test dependencies as code, then simply run your tests and containers will be created and then deleted.
    Downloads: 1 This Week
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  • 10
    jclasslib bytecode editor

    jclasslib bytecode editor

    Visualizes all aspects of compiled Java class files

    jclasslib bytecode editor is a tool that visualizes all aspects of compiled Java class files and the contained bytecode. Many aspects of class files can be edited in the UI. In addition, it contains a library that enables developers to read and write Java class files and bytecode. All constant pool entries can be edited. Referenced constant pool entries can directly be edited from the context menu that is shown by the "Edit" button of attributes and constant pool entries. Bytecode instructions can be edited from the context menu.
    Downloads: 17 This Week
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  • 11
    HummusJS

    HummusJS

    Node.js module for high performance creation and modification of PDFs

    PDFWriter latest release (4.5.12) includes support for fonts that contain Emojis. Notable examples for Emoji fonts are Windows Segoe UI emoji and Google Noto font. This means that writing text that include emojis will result in lovely colorful emojis, rather than black and white representations. PDFHummus is a fast and free PDF Writing, Parsing and Modification library.
    Downloads: 0 This Week
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  • 12
    Underscore.js

    Underscore.js

    JavaScript's utility belt

    Underscore.js is a JavaScript utility-library created by Jeremy Ashkenas that provides a broad set of functions for working with arrays, objects, functions, and other data types — essentially a “utility belt” for functional programming in JS. Instead of extending built-in objects or modifying prototypes, Underscore provides its helpers in a single _ namespace, enabling cross-browser support and consistent behaviour across environments.
    Downloads: 1 This Week
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  • 13
    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.
    Downloads: 2 This Week
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  • 14
    DiceBear

    DiceBear

    DiceBear is an avatar library for designers and developers

    DiceBear is an avatar library for designers and developers. You can choose between simple intentions and lovely designed characters. And best of all, we provide a simple and free HTTP API that you can use right away! You can start directly with our free HTTP-API or alternatively use the JavaScript library. Most options can be specified using the query string.
    Downloads: 0 This Week
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  • 15
    Google Map React

    Google Map React

    Google map library for react that allows rendering components

    Google map library for react that allows rendering components as markers. google-map-react is a component written over a small set of the Google Maps API. It allows you to render any React component on the Google Map. It is fully isomorphic and can render on a server. Additionally, it can render map components in the browser even if the Google Maps API is not loaded. It uses an internal, tweakable hover algorithm - every object on the map can be hovered. It allows you to create interfaces...
    Downloads: 0 This Week
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  • 16
    AWS Amplify

    AWS Amplify

    A declarative JavaScript library for application development

    The Amplify open-source client libraries provide use-case-centric, opinionated, declarative, and easy-to-use interfaces across different categories of cloud-powered operations enabling mobile and web developers to easily interact with their backends. These libraries are powered by the AWS cloud and offer a pluggable model which can be extended to use other providers. The libraries can be used with both new backends created using the Amplify CLI and existing backend resources. The Amplify...
    Downloads: 0 This Week
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  • 17
    Lexbor

    Lexbor

    Lexbor is development of an open source HTML Renderer library

    Lexbor is the development of a web browser engine available as a software library; it ships with a free license and has no extra dependencies. For us, speed is an absolute must-have. In our development process, we focus on fastest parsing techniques for HTML, CSS, and fonts, fastest data processing methods, and fastest ways to serve content to end users. Whether you are building a backend that handles millions of HTML documents or a UI-heavy user app, your software’s response rate always matters to users and developers alike. ...
    Downloads: 1 This Week
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  • 18
    ui-lottie

    ui-lottie

    NativeScript plugin to expose Airbnb Lottie

    ui-lottie is a NativeScript plugin for rendering Lottie animations, a library for rendering vector-based animations with minimal performance impact.
    Downloads: 8 This Week
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  • 19
    TX Library

    TX Library

    TX Library is a tiny graphics library for Win32 written in C++.

    TX Library is a tiny graphics library for Win32 written in C++. It is a small sandbox for the very beginners to help them to learn basic programming principles. The documentation is currently in Russian. More info here: http://storage.ded32.net.ru/Lib/TX/TXUpdate/Doc/HTML.ru, http://ded32.net.ru/news/2011-04-03-58, http://ded32.net.ru.
    Downloads: 8 This Week
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  • 20
    TensorFlow

    TensorFlow

    TensorFlow is an open source library for machine learning

    Originally developed by Google for internal use, TensorFlow is an open source platform for machine learning. Available across all common operating systems (desktop, server and mobile), TensorFlow provides stable APIs for Python and C as well as APIs that are not guaranteed to be backwards compatible or are 3rd party for a variety of other languages. The platform can be easily deployed on multiple CPUs, GPUs and Google's proprietary chip, the tensor processing unit (TPU). TensorFlow...
    Downloads: 3 This Week
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  • 21
    Flama

    Flama

    Fire up your models with the flame

    Flama is a python library which establishes a standard framework for development and deployment of APIs with special focus on machine learning (ML). The main aim of the framework is to make ridiculously simple the deployment of ML APIs, simplifying (when possible) the entire process to a single line of code. The library builds on Starlette, and provides an easy-to-learn philosophy to speed up the building of highly performant GraphQL, REST and ML APIs. Besides, it comprises an ideal solution...
    Downloads: 4 This Week
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  • 22
    React/Redux Links

    React/Redux Links

    Curated tutorial and resource links I've collected on React

    ...It is not a software library, but it works like a knowledge map for the React and Redux ecosystem. The collection is especially useful for learners who want trusted guidance instead of searching through scattered blog posts. It also serves experienced developers who need deeper references on patterns, best practices, and ecosystem decisions.
    Downloads: 0 This Week
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  • 23
    sqlite-utils

    sqlite-utils

    Python CLI utility and library for manipulating SQLite databases

    ...As a library, it exposes high-level APIs for inserting records, creating or transforming tables, normalizing schemas, and running migrations that SQLite’s limited ALTER TABLE cannot handle directly. The project also embraces an ecosystem of plugins, so you can add custom SQL functions, extra commands, or UIs (including a terminal UI) via separate packages.
    Downloads: 1 This Week
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  • 24
    GOV.UK Vue

    GOV.UK Vue

    A Vue 3 component library for GOV.UK Frontend and the GOV.UK Design

    GOV.UK Vue is a Vue 3 component library for GOV.UK Frontend. It enables you to build Vue apps based on the GOV.UK Design System.
    Downloads: 0 This Week
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  • 25
    libdatachannel

    libdatachannel

    C/C++ WebRTC network library featuring Data Channels, Media Transport

    libdatachannel is a C++ library that implements WebRTC DataChannels and ICE transports, enabling peer-to-peer communication without relying on media components. It is ideal for developers who want efficient, low-latency P2P communication for data transmission in IoT, multiplayer games, decentralized apps, or custom signaling architectures. Built for performance and minimalism, it allows fine-grained control over STUN, TURN, DTLS, and SCTP layers, with a clean and modern C++ interface.
    Downloads: 0 This Week
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