Choose Advanced and Lightweight CMS

SiMan CMS is web application you can use to create a fast and powerful website with minimum server resources. We like to say that SiMan CMS is free; and it has architecture with quality and stability of commercial systems. 

The core software is designed to be used on low-cost hardware and (of course) it works great on fast servers and cloud servers. For now a lot of projects with several millions visitors per month using SiMan CMS for frontend and backend.

It is a great solution for the startup owners at the first (and often next) stages of the business. You don't need an IT degree to maintain the site with SiMan CMS but if you are developer - you have a powerfull tool for your projects too!

Key Features

Advanced Editing

Editing content is easy and useable with SiMan CMS. You can use admin part of the site or just navigate through your site's content and change what you need.

SEO Friendly

Unlike much other, SiMan CMS has SEO functionality out of the box. Both automatic and manual SEO friendly URLs available.


SiMan CMS is free, open, and available to anyone. Support via forum or email is free too.

CMF Features

SiMan CMS has great developer tools. SiMan UI Kit allows to create web application with minimum coding.

Super Fast

SiMan CMS is very fast and lightweight. For hi-load websites it can be configured to use internal cache system to work even faster!

Modular System

SiMan CMS can be customized with additional modules. It is easy to build new modules by PHP-beginners with our Module Generator!

Themes Support

The new look of website can be applied with just a few clicks. Smarty template engine allows to develop very customizable themes.

Safe & Secure

SiMan CMS designed to keep data safe and secure. It has built-in configurable anti-brute-force features.

SiMan CMS 1.6.23

New in SiMan CMS release:

  • Additional accessibility features of SM class
  • Developer's KIT improvement
  • Helpers: Redirect, PageGeneration
  • Fixed PHP 8.1 compatibility issues
  • Additional features to Media module
  • Basic modules bugfixes and improvements


SiMan CMS 1.6.22

New in SiMan CMS release:

  • Help calsses for working with CMS/CMF functions
  • Fixed PHP 8 compatibility issues
  • Fixed WYSIWYG editor issues
  • Basic modules bugfixes and improvements


SiMan CMS Team Announcement

Our team working on SiMan CMS development already for 16 years. During that time we had contributors from different countries, but our core team was from Ukraine.

Now our country suffers from unprovoked, unlawful and barbaric invasion from Russia. Since the start of the war we were unable to work on our CMS, but now, while our army fights the enemy and provided relatively safety to our people, we glad to announce that we resume the works on SiMan CMS.

Now we’re asking all of the people who likes our product and supports our efforts to help and support Ukraine in our fight with invaders.

We still working as volunteers and asking you to donate one of the organization on the Donate page on our website.


SiMan CMS 1.6.21

New in SiMan CMS release:

  • Bootstrap 5 theme
  • Fixed PHP 8.1 compatibility issues
  • Custom router and final template assignment support
  • sm_lang() for accessing language features


SiMan CMS 1.6.20

New in SiMan CMS release:

  • PHP 8.0 compatibility
  • Media replacers as a permanent feature
  • smcoreext functions merged with smcore functions
  • New functions sm_is_smarty_enabled(), sm_set_tpl_var(), sm_abs(), sm_is_main_block()
  • Media objects created under the SM namespace
  • Major notices fixed