Cost / License
- Free
- Open Source
Platforms
- Linux
- Online


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.
Flexible, cross-platform and cross-browser JavaScript (HTML5) charting library that allows you to create interactive bar, pie, line, spline, area, Gantt, stock and other charts, maps and dashboards, with real-time updates and multi-level drill-downs.




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.





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 ?




Aloha Editor is an HTML5 WYSIWYG Editor that gives you a total new experience when editing. It's faster than existing WYSIWYG technologies and offers unprecedented WYSIWYG functionalities.


The easy way to download videos from YouTube, Facebook, Instagram, Vimeo, Adobe.tv, SoundCloud, and more.

vis.js is a dynamic, browser based visualization library. The library is designed to be easy to use, to handle large amounts of dynamic data, and to enable manipulation of and interaction with the data.



Build native mobile apps for multiple platforms from a single HTML5 codebase. You write your HTML5 code using the Forge JavaScript API which gives you access to native features such as the camera and contacts API.
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.

Mobile Angular UI is a mobile UI framework just like Sencha Touch or jQuery Mobile. If you know Angular JS and Twitter Bootstrap you already know it!
Chrome extension that auto-detects AI-generated HTML in ChatGPT, Claude & Gemini, then deploys it to Netlify, GitHub Pages, FTP, or your own server in seconds — no terminal, no code.




AppsBuilder is the mobile app development solution for marketers looking for an easy, resource-light way to create and publish powerful, cross-platform apps!.



Thinfinity Virtual UI is a web-enabling SDK to turn your proprietary Windows applications into web apps without recoding.




Framework7 - is a free and open source mobile HTML framework to develop hybrid mobile apps or web apps with iOS & Android native look and feel. It is also an indispensable prototyping apps tool to show working app prototype as soon as possible in case you need to.



Kimchi is an HTML5 based management tool for KVM. It is designed to make it as easy as possible to get started with KVM and create your first guest.



Little Outliner is an easy to learn, entry-level outliner that runs in a web browser.
AppGameKit is a simple cross platform game development tool that runs on Windows, Linux, MacOS and Raspberry Pi. A version to run on Android and iOS is also available. With AppGameKit you can use a simple Basic like programming language to develop cross platform applications, 2D...




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.

Online Video Platform - HTML5 Player & Monetization
Scalable video and live streaming. Create and manage high quality VODs and livestreams thanks to a highly scalable and free video management solution.


ezPDF is an API for generating PDFs from HTML. No complex setup, no maintenance headaches. What makes it different: get your first PDF in under 60 seconds - just sign up, grab your token, and start generating.

MagicScroll is an elegant and very convenient Web App which allows you to read eBooks in your browser without installing any extra software on your computer. The service don’t require any kind of registration and it is completely free to use.


ConstEdit word processor is a Google Chrome / Microsoft Edge web browser extension. It writes doc in the html format, which is the standard internet webpage format. Documents written are therefore directly viewable with any web browsers.




Run any browser instantly online. Supports all release and beta versions of Chrome, Firefox, IE, and Opera.