A rock-solid default for HTML5 awesome. HTML5 Boilerplate is the professional badass's base HTML/CSS/JS template for a fast, robust and future-proof site.
Cost / License
- Free
- Open Source
Platforms
- Online
Sassy-validation Alternatives
Sassy-validation is described as 'Sass data type validation library' and is an app in the development category. There are more than 50 alternatives to Sassy-validation for a variety of platforms, including Web-based, Self-Hosted, Mac, Windows and Linux apps. The best Sassy-validation alternative is Bootstrap, which is both free and Open Source. Other great apps like Sassy-validation are Tailwind CSS, Semantic UI, Foundation and UIkit.
Alternatives list
Front-end framework with a built-in dark mode and full customizability using CSS variables; great for building dashboards and tools.
Topcoat is a brand new open source CSS library designed to help developers build web apps with an emphasis on speed. It evolved from the Adobe design language developed for Brackets, Edge Reflow, and feedback from the PhoneGap app developer community.
Topcoat is the most popular Windows, Mac & Linux alternative to Sassy-validation.
- Topcoat is Free and Open Source
Eva Design System is a free and open-source, customizable design system. Available for Sketch with Mobile and Web component libraries.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Self-Hosted
- Sketch
89 Spectre.css alternativesSpectre.css is a lightweight, responsive and modern CSS framework for faster and extensible development.
Cost / License
- Free
- Open Source
Platforms
- Online
- LESS
- jQuery
Little Widgets is a collection of beautifully designed HTML website widgets and popups. It’s coded, responsive, animated and ready to use on your website.
Flat UI Pro is made on the basis of Twitter Bootstrap in a stunning flat-style, and the kit also includes a PSD version for designers. Flat UI Pro contains a huge number of basic components, icons and glyphs.
Cost / License
- Paid
- Proprietary
Platforms
- Online
GroundworkCSS is a 100% free and open source responsive HTML5, CSS and JavaScript Framework.
HTML KickStart is a ultra–lean set of HTML5, CSS, and jQuery (javascript) files, layouts, and elements designed to give you a headstart and save you a lot of hours on your next web project.
Cost / License
- Free
- Proprietary
Alerts
- Discontinued
Platforms
- Online
Responsable is a responsive HTML CSS LESS SCSS framework with clean markup, normalized CSS, and responsive images. It allows for nested columns for easy grid nesting and customization, and provides base styles for forms, tables, and typography for faster startup on your projects.
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
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