OctoPerf - OctoPerf is a SaaS load testing solution, based on JMeter.
GPS Status & Toolbox - Display your GPS and sensor data: Shows the position, number and signal strength of GPS satellites.
WebLOAD - WebLOAD - The most flexible and cost effective software for enterprise load, stress and performance testing, integrated with DevOps processes. Click for details
VisualGPSView - VisualGPSView incorporates many advanced features found in professional programs.
StresStimulus - Load testing tool for websites and mobile that works with hard-to-test applications.
RTKLIB - An Open Source Program Package for GNSS Positioning