Apprenda is described as 'Open Platform as a Service (PaaS) stack that enables any organization to transform their existing infrastructure into a self-service cloud application platform' and is a Cloud Hosting App in the Business & Commerce category. There are more than 10 alternatives to Apprenda for a variety of platforms, including Online / Web-based, Linux, SaaS, Windows and Mac. Most alternatives are Cloud Hosting Apps and Cloud Computing Services. The best alternative is Heroku, which is free. Other great apps like Apprenda are OpenShift (Freemium, Open Source), Google App Engine (Freemium), Microsoft Azure (Paid) and Cloud Foundry (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.
Google App Engine is a free* platform for developing and hosting web applications in Google-managed data centers. App Engine offers fast development and deployment; simple administration, with no need to worry about hardware, patches or backups; and effortless scalability.