Tailwind UI is described as 'Over 400+ professionally designed, fully responsive, expertly crafted component examples you can drop into your Tailwind projects and customize to your heart’s content' and is an app in the Development category. There are more than 50 alternatives to Tailwind UI for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Mac, Windows and Linux. The best alternative is Bootstrap, which is both free and Open Source. Other great apps like Tailwind UI are Bulma (Free, Open Source), Materialize (Free, Open Source), UIkit (Free, Open Source) and Semantic UI (Free, Open Source).
A unified, HTML5-based user interface system for all popular mobile device platforms, built on the rock-solid jQuery and jQuery UI foundation. Its lightweight code is built with progressive enhancement, and has a flexible, easily themeable design.