Simply Efficient CMS — Create beautiful static websites without writing code.
Shareware Linux Windows macOS
seCMS is a visual editor with live preview, built-in themes, and one-click publishing. A visual editor with live preview, built-in themes, and one-click publishing. Your content lives in simple YAML text files — no database, no proprietary formats. You own everything.
Output is plain HTML/CSS/JS. Deploy to Netlify, GitHub Pages, S3, or any web host. Prefer the terminal? The secms CLI builds sites in a single command.

Builds your entire site in milliseconds. No waiting around — preview changes instantly.
Edit pages, sections, and images through a friendly point-and-click interface. No coding required.
See your changes as visitors will. The preview pane shows your actual website in real time.
Choose from 10+ built-in themes for business, portfolio, restaurant, documentation, and more.
Content is stored in simple text files (YAML). No database, no proprietary formats. You own everything.
Output is plain HTML/CSS/JS. Deploy to Netlify, GitHub Pages, S3, or any web host.
Runs as a native desktop application on Linux, macOS, and Windows. No browser required.
Auto-generates sitemaps, RSS feeds, meta tags, and JSON-LD structured data.
Prefer the terminal? The secms CLI builds sites in a single command. Great for automation and CI/CD.
The seCMS GUI provides a clean three-pane layout for managing your website.
Pages on the left, live preview in the middle, content editor on the right. Edit text, add images, adjust styling — all in one view.

Manage multiple sites, resume previous sessions, and create new sites from the home screen.

Browse theme previews and create a new site pre-filled with sample content in a single click.

Choose from built-in themes or convert a Jekyll theme to get started.
Create pages and fill in sections with your text, images, and styling.
See exactly how your site looks with live preview. Adjust as you go.
Click Generate to build your site. Upload the output to any web host.
Professionally designed themes for every type of website.
Corporate & business
Clean & professional
Creative portfolio
Entertainment & media
Documentation
Restaurant & food
Photography portfolio
App & startup
Minimal starting point
Tech product showcase
Complete guide to the visual editor — installation, site management, editing pages and sections, themes, preview, and publishing.
Using the command-line tool — site structure, YAML content files, building, deploying, and the Jekyll theme converter.
Copyright © 2026 Runable.app. All rights reserved.
This software is distributed as shareware (honorware). It is not public domain and not open source.
Permission is granted to copy and redistribute this software free of charge, provided that it is distributed only in its original, unmodified form and that no fee is charged for its distribution.
The software may be used without time limitation for personal, non-commercial purposes. Payment of a license fee is voluntary but encouraged to support continued development.
Commercial use of this software requires the purchase of a commercial license.
Modification, reverse engineering, decompilation, or redistribution of modified versions is strictly prohibited without prior written permission from the copyright holder.
This software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose, and noninfringement.