Open Source JavaScript Libraries - Page 12
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JavaScript Libraries
View 77 business solutionsBrowse free open source JavaScript Libraries and projects below. Use the toggles on the left to filter open source JavaScript Libraries by OS, license, language, programming language, and project status.
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File Icons
Atom file-specific icons for improved visual grepping
File-specific icons in Atom for improved visual grepping. Everything is handled using CSS classes. Use your stylesheet to change or tweak icons. Consult the package stylesheets to see what classes are used. Choose your own shades. Assign icons by file extension. Assign icons to directories. A restart is needed to complete the installation. Reload the window, or restart Atom. As of v2.0, classes are used for displaying icons instead of mixins. If you're a package author, you can integrate File-Icons using Atom's services API. -
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Fitter Happier Text
Performant, fully fluid headings
Fitter Happier Text is a JavaScript utility that dynamically adjusts text size to perfectly fit within a given container, ensuring optimal readability and layout consistency across different screen sizes. Inspired by responsive design principles, it calculates the maximum font size that allows text to occupy available space without overflowing. The library is particularly useful for headlines, banners, and UI elements where visual balance and proportional scaling are important. It operates by measuring container dimensions and iteratively resizing text until it fits within constraints. The implementation is lightweight and designed to integrate easily into modern frontend projects without heavy dependencies. It can be used in both static and dynamic layouts, adapting to content changes or window resizing events. Overall, fitter-happier-text provides a simple yet effective solution for responsive typography in web applications. -
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Flask-AppBuilder
Rapid web application development (python + Flask)
Simple and rapid Application builder, built on top of Flask. includes detailed security, auto form generation, google charts and much more. Demo on: http://flaskappbuilder.pythonanywhere.com/ -
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Float UI
Beautiful and responsive UI components and templates
Float UI is an open-source collection of modern UI components and website templates built primarily for React, with planned support for Vue, designed to help developers rapidly build visually polished and responsive web applications. It combines Tailwind CSS with carefully crafted design patterns to deliver components that are both aesthetically appealing and production-ready. The project includes a wide variety of reusable UI elements and complete templates, such as landing pages, dashboards, and navigation layouts, allowing developers to bootstrap projects quickly. One of its strengths is its focus on simplicity and accessibility, providing ready-made solutions that can be easily customized without complex configuration. Float UI supports both left-to-right and right-to-left layouts, making it suitable for international applications. It is actively maintained and continuously expanded, with new components and templates added over time. -
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Flow Typed
A central repository for Flow library definitions
High-quality library definitions for Flow. flow-typed is a repository of third-party library interface definitions for use with Flow. When you start a project with Flow, you likely want to use some third-party libraries that were not written with Flow. By default, Flow will just ignore these libraries leaving them untyped. As a result, Flow can't give errors if you accidentally misuse the library (nor will it be able to auto-complete the library). To address this, Flow supports library definitions which allow you to describe the interface of a module or library separate from the implementation of that module/library. The flow-typed repo is a collection of high-quality library definitions, tests to ensure that definitions remain high quality, and tools to make it as easy as possible to import them into your project. All you have to do when you add one or more new dependencies to your project is run flow-typed install. -
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Flowy
The minimal javascript library to create flowcharts
flowy is a minimal JavaScript library for building interactive flowchart-style interfaces in web applications, allowing developers to create node-based editors, automation builders, or visual programming tools with relatively little code. It provides draggable, connectable blocks (nodes) that can be placed on a canvas, connected via lines, and rearranged dynamically while preserving the underlying graph structure. The library focuses on simplicity and aesthetics, offering a clean look out of the box that can be customized with your own CSS, making it suitable for dashboards, SaaS products, or internal tools. Events emitted by flowy enable integration with your own data model, so you can sync block positions, connections, and metadata back to a database or application state. It is framework-agnostic, so it can be dropped into vanilla JavaScript projects or wrapped inside React, Vue, or other frameworks. -
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Flummox
Minimal, isomorphic Flux
The Flummox project is a Flux implementation designed to provide a more modular, testable, and isomorphic approach to application state management in React environments. It rethinks traditional Flux architecture by eliminating the need for singletons and encouraging explicit dependency injection, making applications easier to test and reason about. The framework is built with modern JavaScript features and emphasizes clear separation of concerns between actions, stores, and components. It supports both client-side and server-side rendering, making it suitable for universal or isomorphic applications. Flummox also promotes a more structured and scalable approach to managing application state compared to earlier Flux implementations. By focusing on modularity and composability, it enables developers to build maintainable and flexible architectures. Overall, flummox represents an evolution of the Flux pattern toward better developer ergonomics and testability. -
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Javascript bindings for C++, a Javascript interpreter/shell & Javascript/C++ module system. It includes a few Javascript classes and modules. It supports easy embedding of Javascript in C++ and vice versa. The currently supported engine is Spidermonkey.
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Fluster is a clustering algorithm for the Google Maps API v3. It manages all your markers on the map and summarizes them to "clustered markers" if there is not enough space around them. Acts like MarkerClusterer for v2.
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Form-Data
A module to create readable `"multipart/form-data"` streams
A library to create readable "multipart/form-data" streams. Can be used to submit forms and file uploads to other web applications. -
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Fotorama source
A simple, stunning, powerful jQuery gallery
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The Frost library is a tool for JavaScript development in widget engines and mobile browsers. We try to create a simple means for unified access to device capabilities and Ajax requests in as many different widget engines and mobile browsers as possible.
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GQLx is a SQL-like query language for Google Doc's spreadsheets. The initial release includes both a Java GUI application as well as a console application - while a demonstration Javascript implementation is available online at http://gqlx.twyst.co.za
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GTR [gi'tar] General/GTR Tag Replacer Project with the aim of producing js library for automated tag replacing with a stripped set of cross-platform functions and an automated check for reusing installed libs such as Prototype and jQuery.
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Gantt-elastic - Javascript Gantt Chart
Gantt Chart [ javascript gantt chart, gantt component, vue gantt)
Gantt Chart, JavaScript Gantt chart, Gantt component, vue Gantt, vue Gantt chart, responsive Gantt, project manager, vue projects. -
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Genie Alert is a alternate to JavaScript alert windows, with lot of options to customize the title, icons, styles, buttons, button handlers etc.
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Gijgo
Free Javascript Controls
Gijgo is a set of free for commercial use javascript controls distributed under MIT License. All widgets are high performance, built on top of the jQuery JavaScript Library with built-in support for Bootstrap 4 and Material Design. They are designed to saves you time and scales with your development process. -
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GitHub Trending Repos
Track GitHub trending repositories in your favorite programming lang
GitHub Trending Repos is a notification service for tracking repositories that appear on GitHub Trending. It organizes subscriptions by programming language through dedicated GitHub issues. A scheduled script retrieves trending repositories and posts new results as comments to the corresponding issues. Subscribers then receive the updates through GitHub notifications or email. Users can choose daily or weekly schedules for many supported languages. The project covers a broad range of ecosystems, including JavaScript, Python, Go, Rust, Java, TypeScript, C++, and many others. -
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Github Contributions
A tool that generates a repository which being pushed into your GitHub
GitHub Contributions is a Node.js application for generating repositories whose dated commits create designs in a GitHub contribution calendar. It runs a local browser-based interface that guides users through producing the required repository history. After generation, the repository can be pushed to a GitHub account so its commits appear on the profile graph. The application can be installed globally through npm or run from a cloned source directory. Its local server listens on port 9000 and requires Git to be available through the system path. Windows users must ensure that their Git installation exposes its commands correctly. The project is primarily an experimental visualization tool rather than a record of genuine software development activity. -
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Globby
User-friendly glob matching
Globby is a user-friendly glob matching library for Node.js, built on top of fast-glob, offering enhanced features for file pattern matching. -
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Golden Layout
A multi window layout manager for webapps
Golden Layout is a JavaScript layout manager designed for building complex, multi-panel web applications with draggable and resizable components. It enables developers to arrange UI elements into flexible layouts that can be dynamically reconfigured by users through drag-and-drop interactions. The system is particularly useful for dashboards, IDE-like interfaces, and data-heavy applications where multiple panels need to coexist and be rearranged. Golden Layout manages component positioning, visibility, and resizing through a structured layout tree, allowing precise control over how elements are displayed. It also supports saving and restoring layouts, enabling persistence of user configurations across sessions. The library integrates with popular frontend frameworks such as Angular and Vue, and includes support for virtual components to bridge framework-specific rendering models. -
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Google API JavaScript Client
Google APIs Client Library for browser JavaScript, aka gapi
This library (often used via gapi) provides a browser-friendly way to call Google APIs using OAuth 2.0 and generated discovery documents. It abstracts discovery, auth, and HTTP details so developers can focus on domain calls like Drive file operations, Calendar events, or YouTube data. The client can load APIs dynamically at runtime, which keeps bundles small and allows late-binding to specific services and versions. It includes helpers for incremental auth, token refresh, and scopes so apps can request only what they need when they need it. Responses are returned as promise-based calls with typed parameters derived from service definitions, simplifying error handling and pagination. Because it runs in the browser, it’s a natural fit for single-page apps that integrate deeply with Google services. -
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Google Cloud Platform Node.js Samples
Node.js samples for Google Cloud Platform products
Google Cloud Platform Node.js Samples repository is a large set of Node.js code examples that demonstrate how to build, deploy, and manage applications using Google Cloud Platform services. It mirrors the structure and purpose of the Python and Go sample repositories, providing developers with practical implementations that complement official documentation. The repository includes examples for a wide variety of services, such as Cloud Run, App Engine, storage systems, and APIs, along with full tutorial applications like the Bookshelf app that showcase end-to-end workflows. Each sample includes setup instructions, dependency installation steps, and execution commands, making it easy for developers to run and modify the code locally. The project also supports modern JavaScript and TypeScript workflows, reflecting current development practices in the Node.js ecosystem. -
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Google Style Guides
Style guides for Google-originated open source projects
Google Styleguide is a comprehensive collection of coding style guides created and maintained by Google to ensure consistency, readability, and maintainability across its vast array of software projects. These guides define best practices and conventions for writing code in multiple programming languages, from C++ and Python to JavaScript, Go, and Swift. By adhering to these standards, developers can more easily collaborate, review code, and maintain high-quality software across teams and open source contributions. Each guide covers a wide range of topics, including naming conventions, file organization, indentation, documentation, and usage of specific language features. The repository also provides supplementary resources such as an Emacs configuration file for Google’s C++ style and references to related guidelines like Effective Dart and Kotlin Style Guide. -
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HTML Barcode SDK
HTML and Javascript barcode generation Software Development Kit
HTML Barcode SDK is a HTML and Javascript barcode generation Software Development Kit (SDK). It creates commonly-used 1 dimensional barcodes like Code 128, Code39, UPCA, EAN13 and others using pure Hypertext Markup Language (HTML) and can be used in a wide variety of browsers without additional browser plug-ins.
