Gylling Data Management, Inc.
Providing Research Software Solution Since 1982!


We at Gylling Data Management (GDM) create, market, and support ARM software for managing and summarizing agriculture research experiments.
  • ARM saves time creating trials, analyzing data, and producing the many reports required for successful and timely trial management.
  • ARM is a recognized and respected standard throughout the crop production and protection industry.
  • ARM is used by thousands of researchers in nearly 100 countries worldwide.


Update 2019.3 is now available!

Run Check for Updates to download the latest version of ARM today.
The Product Pulse newsletter (pdf) gives an in-depth look into the new features added in this version, including:
  • Creating custom labels
  • Quick View
  • Importing data from any weather source
See ARM 2019 release notes for all of the new features and fixes added in this update.
Receive the ARM Product Pulse in your inbox - subscribe to our newsletter today!

 ARM Tutorial Video series: Setting up a Protocol

Learn the basics on ARM protocol files with our one-hour video series Setting up a Protocol.
You can follow along as we demonstrate how to create a new protocol, describe its components, then dive into the most important features and tools related to protocol authoring.
We have added the final 3 videos for this series, that cover treatment applications, planned assessments, and protocol reports.


ARM Tutorial Video series: ST Introduction Walk-through

Get started with the Summary Across Trials (ST) add-in with our new video series ST Introduction Walk-through.
This 3-part series covers the steps to create a criteria file, demonstrates the ST Summary analysis, and takes a look at the final output report and graphs.

ARM Maintenance Renewal

ARM includes a software maintenance plan, as described in ARM Licensing FAQ. Key maintenance benefits are:
  • All new software features are immediately available, delivered in the next update.
  • Software updates and upgrades are delivered automatically.
  • Regardless of when you purchase ARM or ST, you receive all the newest software enhancements.
See ARM Client License Maintenance and Renewal (pdf) for an overview of the ARM maintenance renewal process.

Electronic downloads to install ARM software and sponsor customizations

Throw away those old program install CDs! The ARM Check for Updates tool downloads and installs the newest ARM software that you have licensed from GDM.
  • If replacing an old computer, see Transferring ARM to a New Computer (pdf) to (1) migrate ARM and current settings, (2) deactivate the old computer, and (3) transfer the ARM activation to a new computer.

Organization Membership

GDM proudly supports the following organizations as a corporate sustaining member:

Better Business Bureau Accreditation is registered with the Better Business Bureau's Dynamic Seal program.
Gylling Data Management, Inc., Computer Software Publishers & Developers, Brookings, SD