Update README.md

Added phonetrack

README.md

@@ -945,6 +945,7 @@ _See also [awesome-gis](https://github.com/sshuair/awesome-gis)._
 - [OpenTripPlanner](https://www.opentripplanner.org/) - Multimodal trip planning software based on OpenStreetMap data and consuming published GTFS-formatted data to suggest routes using local public transit systems. ([Source Code](https://github.com/opentripplanner/OpenTripPlanner)) `LGPL-3.0` `Java/JavaScript`
 - [Orion](https://github.com/LINKIWI/orion-web) - Powerful OwnTracks API-compliant location data visualization frontend for the web. ([Demo](https://linkiwi.github.io/orion-web/)) `MIT` `Python/Nodejs`
 - [OwnTracks Recorder](https://github.com/owntracks/recorder) `⚠` - Store and access data published by [OwnTracks](http://owntracks.org/) location tracking apps. `GPL-2.0` `C`/`Lua`
+- [PhoneTrack](https://gitlab.com/eneiluj/phonetrack-oc) - Nextcloud app to create tracking sessions to display phones position in real time and export activity to gpx. `AGPL-3.0` `JS`
 - [TileServer GL](http://tileserver.readthedocs.io/) - Vector and raster maps with GL styles. Server side rendering by Mapbox GL Native. Map tile server for Mapbox GL JS, Android, iOS, Leaflet, OpenLayers, GIS via WMTS, etc. ([Source Code](https://github.com/klokantech/tileserver-gl)) `BSD-2-Clause` `Nodejs`
 - [TileServer PHP](https://github.com/klokantech/tileserver-php) - Serve map tiles from any PHP hosting. `BSD-2-Clause` `PHP`
 - [Traccar](https://www.traccar.org/) - Java application to track GPS positions. Supports loads of tracking devices and protocols, has an Android and iOS App. Has a web interface to view your trips. ([Demo](http://demo.traccar.org/), [Source Code](https://github.com/traccar)) `Apache-2.0` `Java`