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 1.6.21

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


SiMan CMS 1.6.19

New in SiMan CMS release:

  • New module actions launchers (sm_on_action, sm_on_actionpost)
  • Fixed compatibility issues and notices
  • Added classes for CMS basic elements
  • Developer's KIT moved to SM namespace
  • Minor bugfixes
  • Major refactoring


SiMan CMS Coding Marathon Started

The first release of SiMan CMS was released on September 7, 2006. We are announcing a month coding marathon to mark the 14th anniversary of the project.

Any developer with PHP/HTML/CSS skills can take a part.

Please create a pull-request in the project repository on BitBucket to participate in marathon.


Deprecated items in SiMan CMS 1.6.19

Class TDashBoard is deprecated and shouldn't be used in next releases. Please include it in your modules code. Siman CMS 1.6.19 is last version to support that code.

TGrid, TForm, TButtons, TPanel, TTabs, TNavigation will be moved to \SM\UI\ namespace without T-prefix. T-classes will be aliases for at least one minor release.