EPiServer is described as 'comercial CMS' and is a CMS Tool in the Business & Commerce category. There are more than 100 alternatives to EPiServer, not only websites but also apps for a variety of platforms, including Self-Hosted solutions, Windows, Linux and Mac. The best alternative is WordPress, which is both free and Open Source. Other great sites and apps similar to EPiServer are Ghost (Free Personal, Open Source), Drupal (Freemium, Open Source), Grav (Free, Open Source) and Joomla (Free, Open Source).
The FlatSiteBuilder is a very easy to use content management system and content creation tool running as a desktop application on Linux. You are able to build web content which you can host on github pages for free or any other web space provider.
Accelsor is a dynamic realtime content creation and design suite. Through an innovative buttonless interface Accelsor enables anyone to rapidly construct layouts and develop production quality websites by interacting with their content and design in real time.
Create a beautiful website with no design or IT skills using the Rocketspark website builder. Enjoyably easy DIY web editing and ecommerce. Great for Designers and Graphic designers, manage your clients with the Rocketspark Studio.
Vue.ai is a unified Visual A.I. platform that is redesigning the future of retail commerce. Vue.ai enables intelligent retail automation, digitization and real-time dynamic personalization across the retail organization.