M-Ariza is a open source and freeware programmed and developed by our company of Mask Production. And it is a Maintenance Follow-up Web Application. Advantages of M-Ariza: 1. PHP & Linux Its code based on PHP. As you know PHP is open source and anonymous programming language. PHP assembler is works on most using operating systems We mean Windows and Linux. You can use the Linux operation systems without any payment. Or you can use this script on Windows Operation systems but Windows licences are always paid. 2. Web based Web based applications supports multi-users. It mains if you have more than one office or computer you will not spend your valuable time to transport meintenance documents. So you need a web server and your user have to connect your location thats all.