Accounting Program with POS

I am looking for a Linux based kernel in debian code Accounting program with inventory management & POS, able to communicate and send data over the web and must be no more then 128mb. Please let me know anyone is interested. Thanks. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) Complete ownership and distribution copyrights to all work purchased. ## Platform linux