Here are some links to useful topics for those who extend GpsGate Server with their own custom development. We will add more information over time. If you miss information about something, please let us know and we'll add another topic http://franson.com/gpsgateserver/support.asp
HTTP Expression can be used to include custom expression in Event Rules. Both in Live Event Rules and Event Rules used for Reporting (Analyze). Another area of usage is to get real time position updates from GpsGate to another system. http://forum.gpsgate.com/topic.asp?TOPIC_ID=15426
Template Commands. Write a "template" to define commands sent to a tracker from the server. Use this to configure the tracker in ways not supported by GpsGate Server today. More info: http://forum.gpsgate.com/topic.asp?TOPIC_ID=10220