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BonsaiJS is a lightweight graphics library with an intuitive graphics API and an SVG renderer.

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Bootsnipp is a Drag & Drop Form Builder and Generator for Bootstrap.

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A collection of free Bootstrap color schemes.

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Neat is an open source semantic grid framework built on top of Sass and Bourbon. It is simple enough to […]

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Bower is a package manager for the web. Bower lets you easily install assets such as images, CSS and JavaScript, […]

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A collection of major brand color codes.

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Really Simple Media Queries with Sass.

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Breakpoint Tester is a bookmarklet which scans your website stylesheet to find user defined media query breakpoints. It let’s you […]

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Bricklayer is a lightweight and independent Pinterest-like cascading grid layout library.

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Bricks.js is a fast masonry layout generator for fixed width elements.

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Broken Link Checker is an Online-Tool which scans webpages for bad hyperlinks.

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Browser Hacks is an extensive list of browser specific CSS and JavaScript hacks.

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This browser selector test will check how well your browser supports the CSS selectors from level 1 up to level […]

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Browsershots makes screenshots of your web design in different operating systems and browsers. It is a free open-source online web […]

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BttrLazyLoading is a Jquery plugin that allows your web application to only load images within the viewport.

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HTML5 Video Captions and .SRT Subtitles Support.

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Bulma is a CSS framework based on Flexbox.

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Butns is an advanced buttons library for your website, using a set of pre defined classes you can fully customize […]

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A simple CSS3 Button Generator.

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The bxSlider is a responsive jQuery content slider.

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CamanJS is a canvas and Image manipulation in Javascript.

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Cardinal is a modular, mobile-first CSS framework.

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jQuery.carouFredSel is a plugin that turns any kind of HTML element into a carousel. It can scroll one or multiple […]

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A streamlined and powerful web framework for responsive web sites.

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Chardin.js is a jQuery plugin that creates a simple overlay to display instructions on existent elements.

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Responsive and simple open source HTML5 charts for designers and developers.

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Chartist.js is a responsive charting library built with SVG.

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With Check GZIP compression you can check if your webserver is sending the GZIP compressed header to your clients.

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It is a tool for checking foreground and background color combinations of all DOM elements and determining if they provide […]

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Enter a bunch of RSS feeds into ChimpFeedr, and we’ll mash ‚em up into one master RSS feed.

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Chocolat is a responsive jQuery lightbox plugin.

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Chromath provides many color conversion and manipulation functions. You can create a color from just about any reasonable string, convert […]

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CSS Formatter and Optimiser. Important Notes: the same selectors and properties are automatically merged your code should be well-formed. This […]

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A reuseable collection of carefully-considered Less mixins, or YALML (Yet Another Less Mixin Library).

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clipboard.js is a modern approach to copy text to clipboard (no flash).

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Clippy shapes up your website with CSS clip-paths/masks.

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CLNDR.js is a jQuery plugin for creating calendars and customizing them however we want. The plugin doesn’t generate any markup […]

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Colofilter is a CSS Snippet that lets you add colorful „DuoTone“-filters using css blend modes. It is heavily inspired by Spotify ads from 2015.

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ColorHexa.com is a free color tool providing information about any color. Just type any color values in the search field […]

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create and find color palettes made from images

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Colour library for Sass.

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Color Oracle is a free color blindness simulator for Window, Mac and Linux. It takes the guesswork out of designing […]

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Tool for finding safe color contrast combinations according to the Web Content Accessibility Guidelines.