Hay River Software provides:

Consulting services for FileMaker, MS SQL, MySQL databases

Macintosh desktop assistance.

Arduino and ESP8266 microprocessor programming, making code available and hosting a monthly Arduino User Group meeting in NW Wisconsin.

Support Open Source software and have made the ExhibitMaker, a FileMaker based tool for creating MIT web widgets available as an open source project.

SIF (School Interoperability Framework) agents for Macintosh OS X Server and for user management of Google Apps for Education domains.