Opa is an open source, simple and unified platform for writing web applications. All aspects are directly written in Opa: Frontend code, backend code, database queries and configuration. And everything is strongly statically typed.
Using Hype, you can create beautiful HTML5 web content. Animations and interactive content made with Hype work on desktops, smartphones and tablets. No coding required.
United States


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An efficient server implies a lower cost of the infrastructure, a better responsiveness under load and happy users. How can you efficiently handle the resources of your server, knowing that you are serving the highest number of requests possible, without sacrificing security...
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux
- BSD
- JavaScript
- Node.JS
Amaya is a Web editor, i.e. a tool used to create and update documents directly on the Web. Browsing features are seamlessly integrated with the editing and remote access features in a uniform environment.
United States


+7
Koyeb is the serverless company delivering a next-generation platform to quickly deploy and run apps globally.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Software as a Service (SaaS)
France
EU

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.
Cost / License
- Free
- Proprietary
Platforms
- Online

Pulno is a website audit tool which checks for SEO related issues and sends comprehensible tips to improve on-page SEO with page speed optimizer (CSS and image file optimization), meta tags and unique text analyzer.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Online
- Software as a Service (SaaS)


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Handlebars is a JavaScript template library that is, more or less, based on mustache . Handlebars adds user defined block expressions and helpers to the standard Mustache template syntax.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online
Yeoman is a robust and opinionated client-side stack, comprising tools and frameworks that can help developers quickly build beautiful web applications. We take care of providing everything needed to get started without any of the normal headaches associated with a manual setup.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
United States

HOTGLUE is a Content Manipulation System which allows to construct websites directly in a web-browser.


Cost / License
- Free
- Proprietary
Platforms
- Online
Switzerland



Kitten HTML Templates is a lightweight and minimalistic templating system for JavaScript, designed for simplicity and performance. It allows developers to dynamically generate HTML using a syntax similar to standard HTML, without requiring heavy dependencies or complex logic.
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Self-Hosted
- Mac
- Linux
ForgeKit is a free, Windows-native PHP development environment for running multiple projects with different stacks side by side.


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Hack is a programming language for HHVM that interoperates seamlessly with PHP. Hack reconciles the fast development cycle of PHP with the discipline provided by static typing, while adding many features commonly found in other modern programming languages.
Open source website builder. Rigel is like no other website builder as it provides complete access to the generated code to the user, to edit it in live time and have complete freedom to manipulate and make changes accordingly.

The eXe project developed a freely available Open Source authoring application to assist teachers and academics in the publishing of web content without the need to become proficient in HTML or XML markup. Resources authored in eXe can be exported in IMS Content Package, SCORM 1.
New Zealand


+2


+1
CasperJS is an open source navigation scripting & testing utility written in Javascript for the PhantomJS WebKit headless browser and SlimerJS (Gecko).
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
Canada


The programming language for writing single page applications. Mint has all the tools you need to write error free, easily readable and maintainable applications in record time.


Sphinx is a software search engine designed with indexing database content in mind. It currently supports MySQL, PostgreSQL, and ODBC-compliant databases as data sources natively. Other data sources can be indexed via pipe in a custom XML format.



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