Pedestal is described as 'web application framework written in Clojure that aims to bring both the language and its principles to client and server-side development' and is an app in the Development category. There are more than 50 alternatives to Pedestal for a variety of platforms, including Mac, Windows, Linux, Online / Web-based and Self-Hosted solutions. The best alternative is Node.js, which is both free and Open Source. Other great apps like Pedestal are Django (Free, Open Source), AngularJS (Free, Open Source), Firebase (Freemium) and ExpressJS (Free, Open Source).
Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Built by experienced developers, it takes care of much of the hassle of Web development, so you can focus on writing your app without needing to reinvent the wheel.
Polymer is a library that uses the latest web technologies to let you create custom HTML elements. Build anything from a button to a complete application as an encapsulated, reusable element that works across desktop and mobile.