feindura - Flat File Content Management System
Smallest, Easiest & Tiniest Flat-File CMS in PHP
Lightweight flat file CMS written in PHP
WonderCMS - fast and small flat file CMS (5 files)
Self-hosted Data-First Headless CMS & API
Pico is a stupidly simple, blazing fast, flat file CMS.
A flat file CMS with a swappable parser and template engine.
Tiny, simple, flat file CMS in PHP that is SEO friendly and responsive. There's no database for this easy content management system and templates are gorgeous. Build micro sites, simple blogs by using Markdown and the included file manager. Tags:small, nano, lightweight, content management system, search engine optimization
TYPEMILL is a simple and lightweight Flat-File-CMS for authors and publishers.