Look up HTML5, CSS3, etc features, know if they are ready for use, and if so find out how you should use them – with polyfills, fallbacks or as they are.
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Look up HTML5, CSS3, etc features, know if they are ready for use, and if so find out how you should use them – with polyfills, fallbacks or as they are.

Tracks real-time website activity, records visitor sessions, offers heatmaps, form analytics, live chat, and polls to visualize and improve user interaction.

DocPad is a dynamic static-site generator. That is a content management system that takes content from several sources, like files on your computer, and renders them into incredibly fast static output.
Kaffeine is a set of extensions to the Javascript syntax that attempt to make it nicer to use. It compiles directly into javascript that is very similar, readable and line for line equivalent to the input (you can beautify if you like).
Ractive.js is a template-driven UI library that transforms your templates, styles and logic into blueprints for highly interactive apps. Ractive.js works for you, not the other way around. You do not need to learn new terminologies, concepts, and methodologies.
Simple. Robust. Responsive. Flexible.
Based on Flexbox (CSS Flexible Box Layout Module), Gridlex is a very simple css grid system to quickly create modern layouts and submodules.

Devmind.io is a cloud-based code editor that you can use on the go. You can edit your FTP hosted projects, as well as Github and Gitlab repositories. This app is completely ad-free.



Code Storez is a place full of free HTML and PHP scripts, plugins, and browser extensions. Explore, learn, and use these tools to create amazing websites easily. If you are a developer, you can also share and publish your own scripts here!.

VisualNEO Web is the easiest authoring tool to develop Web Apps, for beginners and professionals. Drag and drop visual IDE. Use its simplified programming language (NeoScript), JavaScript or both for coding your Apps. Multilanguage interface.

Both Knockout.js and Backbone.js have their strengths and weaknesses, but together they are amazing! With Knockback.js, you can use the strong ORM provided by Backbone and create dynamic views using Knockout bindings.
HAPedit is an acronym for Html Asp Php editor; a win32 text-mode editor useful for all developers of dynamic web pages.

Vuetify is a semantic component framework for Vue. Build amazing applications with the power of Vue and Material Design and a massive library of beautifully crafted components.

Pedestal is a web application framework written in Clojure that aims to bring both the language and its principles to client and server-side development.
The Mako Server is a compact, ready-to-run web and application server that delivers powerful Lua-based web capabilities with zero setup, just download and go. Its tiny footprint hides a feature-rich engine packed with asynchronous non-blocking sockets and a complete web...

Add Vector Icons to Your Website. Create your icon fonts in seconds.

A browser extension for displaying responsive web-pages in a side-by-side views to quickly test how it looks at different resolutions and devices.

Flux is an advanced HTML5 Web design application, capable of creating stunning sites from scratch. Flux isn't a template based solution, it's a creative design environment.

A simple tool that allows you to execute JavaScript code in multiple real browsers. Karma is not a testing framework, neither an assertion library. Karma just launches a HTTP server, and generates the test runner HTML file you probably already know from your favourite testing...
Annotate web pages and e-learning courses with real-time bug tracking and visual feedback, fostering collaboration and task management in development teams.

Free web application framework for building Web sites and Web applications using JavaScript, HTML and CSS.
SelectorGadget is an open source tool that makes CSS selector generation and discovery on complicated sites a breeze. Just install the Chrome Extension or drag the bookmarklet to your bookmark bar, then go to any page and launch it.
HttpWatch is an HTTP viewer and debugger that integrates with IE and Firefox to provide seamless HTTP and HTTPS monitoring without leaving the browser window. It's available as a free edition and a PRO version that cost money and has additional features.

Online service for testing mobile and responsive websites in various device emulators. The free version includes 6 devices and by subscribing for $9.99/month members get more than 100 devices.
