Open Source JavaScript Libraries - Page 10
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JavaScript Libraries
View 75 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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Fantasy Land Specification
Specification for interoperability of JavaScript algebraic structures
This project specifies interoperability of common algebraic structures like Setoid, Ord, Semigroupoid, Category, Semigroup, Monoid, Group, Filterable, Functor, Contravariant, Apply, Applicative, etc. An algebra is a set of values, a set of operators that it is closed under and some laws it must obey. Each Fantasy Land algebra is a separate specification. An algebra may have dependencies on other algebras which must be implemented. "Value" is any JavaScript value, including any which have the structures defined below. "Equivalent" is an appropriate definition of equivalence for the given value. The definition should ensure that the two values can be safely swapped out in a program that respects abstractions. For example, two lists are equivalent if they are equivalent at all indices, two plain old JavaScript objects, interpreted as dictionaries, are equivalent when they are equivalent for all keys, two promises are equivalent when they yield equivalent values, etc. -
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Fawn
Transactions for MongoDB
Fawn provides the ability to carry out edits on a mongoDB database as a series of steps. If an error occurs on any of the steps, the database is returned to its initial state (its state before the transaction started). It's based on the two phase commit system described in the MongoDB docs. -
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FeedEk jQuery RSS/ATOM
FeedEk jQuery RSS/ATOM Feed Plugin
FeedEk is a jQuery plugin for parsing and displaying RSS and Atom feeds. You can obtain feeds easily from any domain. No need for server-side scripts. Feed API is used for fetching RSS/Atom feed data. -
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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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File Nesting Config for VS Code
Config of File Nesting for VS Code
This project provides a curated configuration snippet for the file-nesting feature of Visual Studio Code, authored by Anthony Fu (antfu). The goal is to help developers organize large code-bases by collapsing “secondary” or generated files (for example build artifacts, tests, config variants) under their primary files in the Explorer tree. It supports VS Code version 1.67 and above by enabling the built-in "explorer.fileNesting" setting. It is somewhat opinionated, offering a broad list of patterns (for example hiding .env.*, *.freezed.dart, etc) and it also includes an optional VS Code extension to automatically update the nesting config from the repo. Because the snippet is generated via a script (update.mjs), it is maintained for many languages, frameworks, and file types. The benefit is much cleaner project file trees, reduced noise, easier navigation, and less time wasted hunting through duplicate or generated files. -
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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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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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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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Gio.js
A declarative 3D globe data visualization library built with Three.js
Gio.js is an open source library for web 3D globe data visualization built with Three.js. What makes Gio.js different is that it is simple to use Gio.js to customize a 3D data visualization model in a declarative way, add your own data, and integrate it into your own modern web application. Gio.js is an open source library for web 3D globe data visualization built with Three.js. What makes Gio.js different is that it is simple to use Gio.js to customize a 3D data visualization model in a declarative way, add your own data, and integrate it into your own modern web application. This library is inspired by the Arms Trade Visualization project developed by Michael Chang and presented during Google Ideas INFO 2012. See original post. With Gio.js, it is easy to reproduce this fantastic data visualization model, and integrate it into web applications. -
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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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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 charts for viewing or editing. Automatic layouts make different visualization options easy. Dynamically add ports and custom link routing. Use data-bindings to save and load routes within the Model JSON. Use groups as containers and subgraphs, with group members bound by their own rules and layouts. Model industrial processes, workflows, SCADA diagrams and more. -
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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 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 like this example (You can scroll the table, zoom/move the map, hover/click on markers, and click on table rows) In the simple case you just need to add lat and lng props to any child of GoogleMapReact component. -
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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.
