GetSimple CMS is described as 'GetSimple is an XML based lite Content Management System. To go along with its best-in-class user interface, we have loaded it with features that every website needs, but with nothing it doesn't. GetSimple is truly the simplest way to manage a small-business website' and is a CMS tool in the business & commerce category. There are more than 100 alternatives to GetSimple CMS for a variety of platforms, including Self-Hosted, Web-based, Windows, Linux and Mac apps. The best GetSimple CMS alternative is WordPress, which is both free and Open Source. Other great apps like GetSimple CMS are Ghost, Drupal, Joomla and Publii.
BoidCMS is a free and open-source flat file CMS for building simple websites and blogs in seconds, developed using PHP and uses JSON as a database.
CMS Made Simple - the open source content management system for the rest of us. CMS Made Simple helps experienced web developers and designers to create sites of power and beauty in a fraction of the normal time, avoiding hours of coding and allowing your clients to update their...
HTMLy is an open source databaseless PHP blogging platform. A flat-file CMS that allows you to create a fast, secure, and powerful website or blog in seconds.
HTMLy is very promising, the development is permanent, and it is easy to use. No database needed. Great alternative to GetSimple.
Chyrp is a blogging engine designed to be very lightweight while retaining functionality. It is powered by PHP and has very powerful theme and extension engines, so you can personalize it however you want.
LavaLite is an open source content management system (CMS) based on PHP and Laravel web application framework. It currently supports MySQL, SQLite, MariaDB and PostgreSQL for the database backend.
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.
Flatpress is slim, easy to install and easy to use. It is simple to create custom themes. Hard to say, which is the better CMS, GetSimple or Flatpress. Flatpress is definitely a good alternative,
Build powerful & dynamic websites without a database. An infinitely flexible, flat-file Content Management System.
ExpressionEngine CMS is the most secure, flexible, extensible, and user friendly Open Source CMS on the planet.
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.
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This could be an alternative, and it has blog functionality out of the box. But it is a fork of WonderCMS, and I can’t see any advantages of Boid over WonderCMS, only the one that Boid does not need a plugin, if you want to blog.