Phrozn is described as 'is static site generator written in PHP'. There are more than 50 alternatives to Phrozn for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Windows, Linux and Mac. The best alternative is WordPress, which is both free and Open Source. Other great apps like Phrozn are Ghost (Free Personal, Open Source), Grav (Free, Open Source), Jekyll (Free, Open Source) and Blogger (Free).
FlatPress is an open-source standard-compliant multi-lingual extensible blogging engine which does not require a DataBase Management System to work. You don’t need MySQL because FlatPress stores all of its content on text files.
Modern, open source, fast and secure content management system based on Bootstrap 3 using the latest technology. CMS has been build from Scratch and uses the latest bootstrap framework, jQuery and technology like HTML5, CSS3, PHP5 and MySQL5.
Umbraco is a fully-featured open source content management system with the flexibility to run anything from small campaign or brochure sites right through to complex applications for Fortune 500's and some of the largest media sites in the world.
CSZ CMS is an open source web application that allows to manage all content and settings on the websites. CSZ CMS was built on the basis of Codeigniter and design the structure of Bootstrap, this should make your website fully responsive with ease.
💮 Mixcore CMS is an open-source modular, multi-tenant application framework built on top of ASP.NET Core (Dotnet Core). It is a completed open source ASP.NET Core (Dotnet Core) CMS solution. https://mixcore.org.