Showing 585 open source projects for "c# open source"

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  • 1
    LaTeX.CSS

    LaTeX.CSS

    LaTeX.css is a library that makes your website look like a LaTeX doc

    This almost class-less CSS library turns your HTML document into a website that looks like a LATEX document. Write semantic HTML, and you are good to go. The source code can be found on GitHub. LaTeX.css is a minimal, almost class-less CSS library that makes any website look like a LaTeX document. Add any optional classes to elements with special styles (author subtitle, abstract, lemmas, theorems, etc.). The labels of theorems, definitions, lemmas and proofs can be changed to other...
    Downloads: 3 This Week
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  • 2
    React Bits Library

    React Bits Library

    Open source collection of animated, interactive React components

    React-bits is an open-source library of animated, interactive, and fully customizable React UI components that empowers developers to build visually striking and dynamic web interfaces without spending excessive time crafting animations from scratch. It features a large and rapidly growing collection of components — including text effects, background animations, and interactive UI pieces — each designed to be easy to integrate into any modern React project and work seamlessly with popular styling systems like CSS and Tailwind CSS. ...
    Downloads: 2 This Week
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  • 3
    jQuery MultiSelect

    jQuery MultiSelect

    Turn a multiselect list into a nice and easy to use list with checkbox

    Turn a multiselect list into a nice and easy to use list with checkboxes. This plugin is simply an alternative interface for the native select list element. When you check an option in the plugin the value is selected on the native list. This allows the value to be submitted in a form as well as retreived through normal POST/GET and javascript methods.
    Downloads: 3 This Week
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  • 4
    Pannellum

    Pannellum

    Pannellum is a lightweight, free, and open source panorama viewer

    Pannellum is a lightweight, free, and open source panorama viewer for the web. Built using HTML5, CSS3, JavaScript, and WebGL, it is plug-in free. It can be deployed easily as a single file, just 21kB gzipped, and then embedded into pages as an <iframe>. A configuration utility is included to generate the required code for embedding. An API is included for more advanced integrations.
    Downloads: 1 This Week
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    Everything Claude Code

    Everything Claude Code

    Complete Claude Code configuration collection

    Everything Claude Code is a community-driven collection of Claude Code skills, workflows, and examples that accelerate the adoption of Anthropic’s Claude models for real-world developer tasks, ranging from project scaffolding to code generation and testing automation. The repository curates reproducible templates that demonstrate how Claude Code agents can participate in end-to-end developer journeys such as building new features, adhering to coding standards, generating documentation, and...
    Downloads: 4 This Week
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  • 6
    Yoast WordPress SEO

    Yoast WordPress SEO

    Yoast SEO for WordPress

    The Yoast SEO plugin is the most popular SEO tool for WordPress, offering comprehensive tools to optimize content for search engines. It provides real-time page analysis, readability checks, and automated metadata handling to improve website visibility.
    Downloads: 2 This Week
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  • 7
    SendGrid Node.js Library

    SendGrid Node.js Library

    The Official Twilio SendGrid Led, Community Driven Node.js API Library

    The SendGrid Node.js Library provides a simple interface for sending emails through SendGrid's API, enabling developers to integrate email functionalities into Node.js applications.
    Downloads: 2 This Week
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  • 8
    KaTeX

    KaTeX

    Fast math typesetting for the web.

    KaTeX is a fast, easy-to-use JavaScript library for TeX math rendering on the web. Fast: KaTeX renders its math synchronously and doesn't need to reflow the page. See how it compares to a competitor in this speed test. Print quality: KaTeX's layout is based on Donald Knuth's TeX, the gold standard for math typesetting. Self contained: KaTeX has no dependencies and can easily be bundled with your website resources. Server side rendering: KaTeX produces the same output regardless of browser or...
    Downloads: 4 This Week
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  • 9
    anime.js

    anime.js

    JavaScript animation engine

    anime.js is a lightweight JavaScript animation library that allows you to create complex animations with a single, powerful API. It works with just about anything web-based: CSS properties, SVG, DOM attributes and JavaScript Objects. anime.js makes it easy to create layered and complex animations, and gives you full control of timing and triggering events so they move exactly how and when you want them. It supports some of the latest browsers, and offers plenty of examples and...
    Downloads: 3 This Week
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  • 10
    Cytoscape.js

    Cytoscape.js

    Graph theory library for visualization and analysis

    A fully featured graph library written in pure JS. Permissive open source license (MIT) for the core Cytoscape.js library and all first-party extensions. Used in commercial projects and open-source projects in production. Designed for users first, for both frontfacing app usecases and developer usecases. Highly optimized. Compatible with All modern browsers. Legacy browsers with ES5 and canvas support.
    Downloads: 2 This Week
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  • 11
    HyperUI

    HyperUI

    Free Tailwind CSS v4 components for your next project

    HyperUI is a large, copy-and-paste library of Tailwind CSS components aimed at speeding up interface building without adding heavy JavaScript. It groups components by common product needs—navigation, hero sections, pricing, forms, cards, tables, and full e-commerce flows—so teams can assemble pages quickly from consistent building blocks. Each snippet is written as semantic HTML with Tailwind utility classes, making it easy to customize spacing, color, and typography through a project’s...
    Downloads: 3 This Week
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  • 12
    Pusher Channels Javascript Client

    Pusher Channels Javascript Client

    Pusher Javascript library

    Bi-directional hosted APIs that are flexible, scalable and easy to use. We create and maintain complex messaging infrastructure so you can build the realtime features your users need, fast.
    Downloads: 2 This Week
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  • 13
    loadable components

    loadable components

    The recommended code splitting library for React

    Loadable Components is an MIT-licensed open source project. It's an independent project with ongoing development. React code splitting made easy. Reduce your bundle size without stress. A React code splitting library, not an alternative to React.lazy. A solution recommended by React Team. Library splitting, prefetching, server side rendering, and full dynamic import features.
    Downloads: 1 This Week
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  • 14

    Polymer

    A Web Component library

    Polymer is a lightweight Web Components library that lets you create encapsulated Web Components that work just like standard HTML elements. These elements can be used in building web applications and are reusable. Polymer can be particularly useful when building UI components. Instead of having to constantly rebuild components such as a specific navigation bar or button in different frameworks and for different projects, simply define this component once with Polymer, and you can use it...
    Downloads: 3 This Week
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  • 15
    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. It offers map/filter/reduce, deep-cloning, templating,...
    Downloads: 4 This Week
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  • 16
    VvvebJs

    VvvebJs

    Drag and drop website builder javascript library

    Drag and drop website builder javascript library. Components and blocks/snippets drag and drop. Undo/Redo operations. One or two panels interface. File manager and component hierarchy navigation. Add a new page. Live code editor. Image upload with example PHP script included. Page download or export HTML or save the page on the server with example PHP script included. Components/Blocks list search. Bootstrap 4 components. Youtube, Google maps, Charts.js, etc widgets. By default, the editor...
    Downloads: 3 This Week
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  • 17
    glMatrix

    glMatrix

    Javascript Matrix and Vector library for High Performance WebGL apps

    Javascript has evolved into a language capable of handling realtime 3D graphics, via WebGL, and computationally intensive tasks such as physics simulations. These types of applications demand high performance vector and matrix math, which is something that Javascript doesn't provide by default. glMatrix to the rescue! glMatrix is designed to perform vector and matrix operations stupidly fast! By hand-tuning each function for maximum performance and encouraging efficient usage patterns...
    Downloads: 3 This Week
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  • 18
    fullPage.js

    fullPage.js

    Create beautiful fullscreen scrolling websites fast and easy

    fullPage.js is an easy-to-use library for creating beautiful, fullscreen scrolling websites/ onepage sites/ single page websites complete with all the features you need. With fullPage.js you can add landscape sliders and links to sections of your site, create smaller or bigger sections, use extensions and more! fullPage.js is compatible with all modern browsers and even some old ones like IE9 and Opera 12. It also provides touch support designed for mobile devices and touch screen...
    Downloads: 3 This Week
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  • 19
    OpenLayers

    OpenLayers

    A high-performance, feature-packed library for all your mapping needs

    OpenLayers makes it easy to put a dynamic map in any web page. It can display map tiles, vector data and markers loaded from any source. OpenLayers has been developed to further the use of geographic information of all kinds. It is completely free, Open Source JavaScript, released under the 2-clause BSD License (also known as the FreeBSD). Pull tiles from OSM, Bing, MapBox, Stamen, and any other XYZ source you can find. OGC mapping services and untiled layers also supported. ...
    Downloads: 2 This Week
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  • 20
    mongoose-paginate-v2

    mongoose-paginate-v2

    A custom pagination library for Mongoose with customizable labels

    mongoose-paginate-v2 is a pagination library having a page wrapper. The main usage of the plugin is you can alter the return value keys directly in the query itself so that you don't need any extra code for transformation. The initial idea of this plugin is loosely based on the mongoose-paginate package by github.com/edwardhotchkiss/. So this can be considered as an upgraded version of mongoose-paginate with many more options.
    Downloads: 2 This Week
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  • 21
    Oat UI

    Oat UI

    Ultra-lightweight, zero dependency, semantic HTML, CSS, JS UI library

    Oat is an ultra-lightweight front-end UI library designed to automatically style semantic HTML using minimal CSS and JavaScript with zero external dependencies. The project focuses on simplicity and performance, allowing developers to create clean, modern interfaces without relying on heavy frameworks or complex build systems. Oat works by applying sensible default styling directly to standard HTML elements, meaning developers can achieve polished layouts with little to no custom classes....
    Downloads: 3 This Week
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  • 22
    date-fns

    date-fns

    Modern JavaScript date utility library

    date-fns is a modern JavaScript date utility library that offers the most comprehensive toolset for manipulating JavaScript dates in a browser and Node.js. It’s complete and yet simple, because the API is unambiguous, with just one approach to a problem. It’s highly reliable and consistent, always respecting timezones and DST. And it’s also modular, so you don’t have to bloat your project with unnecessary functionality. date-fns supports TypeScript and Flow, and is supported by an amazing...
    Downloads: 2 This Week
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  • 23
    Workbox

    Workbox

    JavaScript libraries for Progressive Web Apps

    Workbox is a set of libraries that can power a production-ready service worker for your Progressive Web App. Stop waiting on the network! You can improve your web app's performance by caching and serving your files, powered by a service worker. Even on an unreliable connection, your web app can still work using the right runtime caching strategies. Looking to build a progressive web app? Workbox makes it easy to create an offline first experience. Workbox is a library that bakes in a set of...
    Downloads: 4 This Week
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  • 24
    React Slick

    React Slick

    React carousel component

    This library is the port of jQuery slick library. React slick is a carousel component built with React. It is a react port of slick carousel. The easiest way to try out react-slick is using the Code Sandbox example. After you are done installing through yarn or npm, now you will have to include CSS in your project. But be aware slick-carousel has a peer-dependancy on jQuery which you, or your colleagues may not like to see in your console output, so you can always grab the CSS from there...
    Downloads: 2 This Week
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  • 25
    Earth Engine API

    Earth Engine API

    Python and JavaScript bindings for calling the Earth Engine API

    The Earth Engine API provides Python and JavaScript client libraries for Google Earth Engine, a planetary-scale geospatial analysis platform. With it, users compose lazy, server-side computations over massive catalogs of satellite imagery and vector datasets without handling raw files locally. The API exposes functional operators for map algebra, reducers, joins, and machine learning that scale transparently on Earth Engine’s backend. Developers authenticate once, work interactively in...
    Downloads: 3 This Week
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