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

Native Maps - Smooth map rendering with MapLibre GL, speed-colored tracks, and tappable point details

Location Inspector - Browse recorded locations on an interactive map or searchable list with per-point details

Works Offline - Locations are queued locally and synced when connectivity returns. Export as CSV, GeoJSON, GPX, KML, or JSON

Tracking Profiles - Create multiple GPS configurations that switch automatically based on charging, Android Auto, or speed

Geofencing - Define pause zones to automatically stop recording locations in specific areas

Reliable Tracking - Foreground service with auto-start on boot, exponential backoff for failed syncs

Flexible Sync - Instant send, periodic batch sync, Wi-Fi only, 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

Data Management - Database statistics, scheduled cleanup, and full data export

Dark Mode - Full dark and light theme support

The FOSS variant uses Android's native LocationManager and has no Google Play Services dependency.