ISOF  CRM  DMS  Ordering  Sales  Inventory  Accountancy  Logistics  Task Management  Secretary Office  e-Banking  Internet Shop ISOF – Internet Based Enterprise Management System is assigned for complete services providing for the company. It contains a number of the most modern business technologies applied in software for business entities: CRM, DMS, Logistics, Internet Shop or Task Management. It comprises at the same time all standard operating fields of every company such as: Ordering, Sales, Inventory, Accountancy or Secretary Office. System allows for company conducting from any place, at any time. User is working with the system through internet browser, connecting to it through Internet. It operates well both on stationary computers and laptop or mobile telephone. The system allows for easy creation of integrated IT system for the companies dispersed in respect of territory, which have branches, agencies and warehouses or mobile workers. ISOF has a chance to become a hit on Polish and European market, especially because it is supporting more and more popular tele-jobs and outsourcing. The most popular system implementation among the clients is version based on Open Source software: heart of the system is WWW Apache server, data are kept in the PostgreSQL relational database, and the whole system works under control of Linux operating system. Such a solution does not require bearing costs for operating system and database, and on the other hand it assures high efficiency and stability of system operation. ISOF system can be used among other in outsourcing (ASP) mode. ASP consists in hire of application on HEUTHES server. In this option, Client need not to be concerned with service of hardware and software, to buy expensive servers or databases. For a low monthly fee modern software is at Clients disposal, while HEUTHES is taking care of all the rest.