WunderPreview is described as 'Get a live preview environment for every new feature – fully automated. Share previews with co-workers, managers, or customers. WunderPreview simplifies feedback loops so you can deliver better software faster' and is an app in the Development category. There are four alternatives to WunderPreview for a variety of platforms, including Online / Web-based, Linux, Mac, Windows and AppArmor. The best alternative is Vagrant, which is both free and Open Source. Other great apps like WunderPreview are Heroku (Freemium), Kubernetes (Free, Open Source) and Dokku (Free, Open Source).
Heroku is a cloud application platform for Ruby, Rails, Node.js, Java, Python, Scala and Clojure web apps. Everything you need to build, run, and scale: Dynos: Run virtually any language at any scale. Database: Enterprise-grade Postgres as a service.