Publish HTML quickly with open source web editor, HTMLhouse. Use the editor / real-time preview to build your HTML page, and press publish when you're done. That's it! No sign up, no fuss.

Publish HTML quickly with open source web editor, HTMLhouse. Use the editor / real-time preview to build your HTML page, and press publish when you're done. That's it! No sign up, no fuss.

EFY allows you to customize the design of your html based apps or websites from an UI sidebar menu and combine billions of possible patterns. You can also create, share or import json themes for easier access. All apps that use efy can share the same theme or individual themes.




In the land of markup you must use knowledge and creativity to navigate the land and save your friend. By using HTML elements and CSS styles you can build platforms to find your way home. As you gain experience and knowledge you can use clever tricks and scripts to make your...

Spectre.css is a lightweight, responsive and modern CSS framework for faster and extensible development.
CSSBattle is an online CSS Code Golfing battleground. Here, players from all around the world try to visually replicate "Targets" in smallest possible CSS code and battle it out to get to the top of the leaderboard.




Onsen UI provides UI framework and tools for creating fast and beautiful HTML5 hybrid mobile apps based on PhoneGap / Cordova. Works with or without any JavaScript framework including React, Meteor, Vue, AngularJS & 2.
CSS has been lacking proper layout mechanisms for far too long. Transitions, animations, filters, all of these are great and useful additions to the language, but they don't address the major problems that Web developers have been complaining about for what seems like an...
Notepas is a fast portable native multiplatform text editor written in Lazarus and can be compiled for multiple platforms and widget sets using the advanced native Free Pascal Compiler.




Stylizer is the only CSS editor focused aggressively on visual control, error-free workflow, and productivity.

Pinocode is an Offline code playground for frontend development right in your browser. It provides you a cool environment to practice frontend development using HTML, CSS and JavaScript. With support for variants and external libraries inclusion.



New users can manage a web page accessible through a unique URL. They control widgets such as a bio paragraph, an area for icons and a space for custom links. Free users can add custom CSS to their page. Paid users can modify the page structure.
CSSDesk is a online HTML/CSS sandbox. Experiment with CSS, see the results live, and share your code with others.

Durandal is a cross-device, cross-platform client framework written in JavaScript and designed to make Single Page Applications (SPAs) easy to create and maintain.
Codio for Everyone:
Need help teaching code? Use Codio. It is cloud-based, so it is accessible on any device. Students start coding immediately. It combines an IDE (integrated development environment) with curriculum-mapped courses and class management tools. It’s everything yo.




TopStyle contains powerful tools for building standards-compliant web sites.


Its about quite a few things. You can use CSSDeck to make testcases and share with other people on IRC, forums, StackOverflow, etc. who help you solve your coding problems. You can even code with multiple people in realtime in various modes. Remember etherpad ?




A mighty, modern CSS linter that helps you enforce consistent conventions and avoid errors in your stylesheets.
Notepad-like VB.Net multi-tab source code editor for Windows XP, Vista and Windows 7 that supports ASM, ASP.Net, Boo, C#, C++, CSS, HTML, INI, Java, JavaScript, Lua, Perl, PHP, Python, Ruby, SQL, VB.Net, XML and plain text files.

Aubrey’s gVim is, well, Aubrey's gVim! The project arose out the his personal desire to use Vim as my HTML, CSS, PHP & Javascript editor.
