Software
Flextype
Flextype is super fast headless content management system with an elegant architecture and built-in smart cache.
Mixcore CMS
Mixcore CMS is an Open Source Enterprise ASP.NET Core / Dotnet Core CMS for building amazing digital experiences. It's made by a dedicated community. Anyone can use it, and it will always be free.
Subrion
Subrion is a PHP/MySQL based CMS & framework that allows you to build websites for any purpose. Yes, from blog to corporate mega portal.
GeniXCMS
GeniXCMS is a Simple and Lightweight CMS and Framework. It's PHP Based CMS. Free and Opensource.
CouchCMS
With no knowledge of PHP required at all you can make any static web-page editable by your clients.
Agility CMS
Agility CMS is a cloud-based content management system for building and managing responsive websites and apps.
TourCMS
TourCMS is a web based reservation system for tour operators and travel agencies, TourCMS - Tour operator reservation system and website CMS
