AgileGPS: Open Source Fleet Tracking

Documentation

Compatible with Queclink GV500, GV300 and GV50 trackers.
UDP data transmission from trackers with server acknowledgement (lower cellular data usage than TCP)
Customers, fleets, devices, and users
Site admins and org admins
Multi tenant. Multiple organizations (customers) per instance
Displays vehicles and fleets on Google Maps in real time
Display per-vehicle daily history on Google Maps
Node.js back end for high performance and concurrency
Stateless architecture, load balance across unlimited app nodes
Stateless authentication via JWT
RethinkDB enables atomic, realtime changefeeds. Clients efficiently receive changes in real-time, as they happen. Easy scaling, sharding and replication.
Fleet and vehicle reports: Start/stop, Ignition-based trips, Idling, Mileage by state, Odometer by state, Speed, Vehicle summary, OBD-II diagnostics (GV 500 only), OBD-II engine summaries (GV 500 only)
Localization: English and Russian language translations. English and metric units (per-user preference)
Free reverse geocoding (closest city) or via Google Reverse Geocoding API for obtaining addresses from latitude / longitude coordinates sent by the trackers.
Fast single page web interface via React. Responsive design on desktop and mobile browsers.