F1 Dash presents a real-time Formula 1 dashboard with telemetry and timing, according to its repository description.
Open source
Trail Sense
Trail Sense uses phone sensors to assist with wilderness trekking and survival, with a user guide and source repository.
About Trail Sense
Trail Sense is an Android app that uses phone sensors to assist with wilderness treks or survival situations. It is designed for entirely offline use and does not use the Internet. It includes tools for beacons, paths, backtrack, weather prediction, sunset alerts, and other outdoor tasks.
Location, recent altitude and pressure history, beacons, and paths are stored locally on the device. The project notes users should carry backup equipment and skills when in the wilderness.
Key features
- Place beacons and navigate to them
- Follow paths and retrace steps with backtrack
- Use a photo as a map
- Plan what to pack
- Get alerts before sunset
- Predict weather from local sensor history
Best for: Hikers, backpackers, campers, and geocachers using Android who need offline sensor-based tools.
Good for
- Designed for entirely offline use without Internet access
- Location, beacons, and paths are stored locally on the device
- Source code is openly available
Watch out for
- Available only on Android
- Requires backup equipment and skills in the wilderness
- Denying location access limits functions, including backtrack and weather unavailable on Android 14+
Trail Sense at a glance
- Category
- Health & Fitness › Sports & Outdoors
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Android
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Trail Sense FAQ
Does Trail Sense use the Internet?
No. The project states the app does not use the Internet and is designed for entirely offline use.
Where is location data stored?
Location, altitude and pressure history, beacons, and paths are stored in local app storage and database, and are cleared when app storage is cleared or the app is deleted.
What happens if I deny location permission?
You can mock location under Settings > Sensors > GPS, but on Android 14+ backtrack and weather will be unavailable.
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