Colota is an open-source GPS tracking application that sends your location to your own server over HTTP(S). It works offline, supports geofencing, and doesn't share any data except with your configured backends. Features Self-Hosted - Works with Dawarich, OwnTracks, PhoneTrack, Reitti, Traccar, Home Assistant, or any custom backend that accepts JSON over HTTP Privacy First - No analytics, no telemetry, no third-party SDKs. Licensed under AGPL-3.0 Tracking Profiles - Create multiple GPS configurations that switch automatically based on charging, Android Auto, or speed Native Maps - Smooth map rendering with MapLibre GL, speed-colored tracks, and tappable point details Works Offline - Locations are queued locally and synced when connectivity returns. Export as CSV, GeoJSON, GPX, or KML Reliable Tracking - Foreground service with auto-start on boot, exponential backoff for failed syncs Geofencing - Define pause zones to automatically stop recording locations in specific areas Flexible Sync - Instant send, periodic batch sync, or fully offline mode Authentication - Basic Auth, Bearer Token, or custom headers with AES-256-GCM encryption Quick Setup - Configure devices instantly via colota:// deep links or QR codes Configurable - Custom field mapping, update intervals, distance filters, and accuracy thresholds The FOSS variant uses Android's native LocationManager and has no Google Play Services dependency.