An Open Source CMS in PHP and MySql to manage a travel agency for free. Built from the ashes of TravelCRM - система автоматизации туристических агенств
From the original source code
The system is going to be rewritten in PHP 5
Any help is welcome.
If you want to help improove this tool, just sign and ask for an account.
Is this only in Russian...
Very easy to use travelagencyos