MAS 90 and MAS 200 Extended Solutions
Sage MAS 90 and MAS 200 Extended Solutions by DSD Business Systems provide for additional functionality for your MAS 90 or MAS 200 system.

Jon Reiter at Sage Insights 2010
If you have previously purchased an Extended Solution from Sage or have need of an enhancement to your MAS 90 / 200 software, DSD has upgraded several of the most popular Extended Solutions to version 4.40 and have many more in development.
They are releasing new updated Extended Solutions daily, so check back often.