Keep your options open
Plugged into your Big Business
Pointed to your open services
Pushing to open-source
Personalized for you








Open Tax

Select from Sales Tax solutions:
Taxes services like TaxJar
Rates services like Zip-Tax
States' services like California
You collect and report, just like Built-in Taxes, but
instantly calculated by address, nexus, and more.






Open Database

Open Database is an expanding toolset that lets you push live data to your solutions, services, or systems that support popular database formats—table, relational, sql, and nosql.





Open Platform

Big Business is software—for Macs and Windows PCs.
Run on your choice of computers, virtual or cloud server, remote desktop and always control your data and costs.

Only buy a new version for new computers. Use your current license on your current setup, indefinitely.