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An old instant messenger platform from Microsoft since superseded by Skype. The MSN Messenger (Windows Live Messenger) servers have since been shut down from Microsoft, so don't expect this software to work anymore. Software is for historical purposes only.
Open Systems Accounting Software is a modular accounting package targeted at large businesses. It featured a high level of flexibility, as the company offered source code access for customization. It was available for DOS, XENIX, and Unix systems.