Stock Express - Version 1.0 Stock Express is free software for billing and warehouse management. It is easy, modern, efficient, and completely free. It allows you to manage all selling life cycle. i.e.: Proposals, PO, Receipts...it manage also window selling. For each article you have to separate stocks. It allows you also managing your customers and suppliers list.Why Stock Express:1- It manager your internal warehouse: If you have some items that you can't bill, the software allows you to isolate them, and work with them in all security.2- It is easy: with its intuitive interface. It offers you an ease of use and an agreeable experience.3- It's free: the software is completely free.