Toolkit for working with and mapping geospatial data
GeoTools is an open source (LGPL) Java code library which provides standards compliant methods for the manipulation of geospatial data.
GeoTools is an Open Source Geospatial Foundation project.
The GeoTools library data structures are based on Open Geospatial Consortium (OGC) specifications.
...Application includes embedded web server to track devices on map.
Official web page: https://www.traccar.org/
Demo: https://www.traccar.org/demo-server/
Sourcecode repository: https://github.com/tananaev/traccar
Issues tracker: https://github.com/tananaev/traccar/issues