WonderCMS

WonderCMS is a simple website builder and the CMS in the world (flat file). Simple and straighforward. Completely free and easy to install by simply unzipping and uploading to your server.

Founded in 2008 and open sourced in 2010.

Features
- GDPR ready
- https support out of the box
- very small in size (14KB zip) and works with only 5 files
- one click update
- simple click and edit functionality
- no configuration required, unzip and upload
- lightweight - runs only on a couple hundred lines of code
- simplified code
- custom login URL
- custom homepage
- rebuilt mostly from scratch + MIT license
- better password protection
- no known vulnerabilities
- highlighted current page
- mobile responsive, easy to theme, 404 pages, clean URLs
- page deleting easier than ever
- better SEO support (title, keywords and description for each page)
- (optional) functions.php file includes itself when you create it
- made with PHP, jQuery, HTML, CSS and a flat JSON database
- works on Apache, NGINX and IIS
- WYSIWYG editor - Summernote available as a standalone plugin

Requirements: PHP 5.5 or above and support for .htaccess. For NGINX, editing the server config is necessary