Cross Platform Software

Cross-Platform ERP Software without Compromises

Take charge of your growth in a rapidly changing business environment with OPEN SYSTEMS Accounting Software (OSAS) solutions for Mac, Linux, UNIX, and Windows. Meet your business’s challenges head-on with flexible and fully-integrated applications that give you the real-time information you need to make decisions.

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OSAS: Nearly 40 Years of Happy Customers Can’t be Wrong

Every time you log into OSAS, you’re benefiting from almost 40 years of enhancements, added security, and streamlined operations… all at an affordable price. Add business-class functionality for a variety of industries, and you’ve got a winner in OSAS.

Rock-Solid Stability and Performance

OSAS is approaching its 40th birthday, but you wouldn’t know it from its fresh, modernized interface. You’ll get a no-nonsense, easy-to-use Cross-Platform Software solution that fits your company’s unique platform demands. OSAS plays nicely on a wide variety of hardware and operating systems. 

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