XCSoar

XCSoar is a powerful tactical glide computer for glider and paraglider pilots.

Free and open-source, with no ads and no tracking.

Runs on Android, iOS, Linux, macOS, and Windows.

Built by an active open-source community.

FEATURES

- Moving map with terrain, airspace, airports, and task navigation

- Built-in audio vario for acoustic climb/sink feedback

- Context-sensitive InfoBoxes with altitude, navigation, glide

calculations, wind, weather, and task data

- Traffic display and advanced glide computer calculations

- Task planning/declaration with support for many vario and logger devices

- Flight analysis tools such as barograph, polar view, and OLC optimization

- Thermal centering assistance and support for online thermal sources

- Import support for common waypoint, airspace, and map formats

(including CUP, CUPX, OpenAir, and XCM)

WHY XCSOAR

- No ads, no tracking, no data collection, and no account required

- Works offline; your flight data stays on your device

- Multi-platform: phone, tablet, PC, Kobo, and embedded computers

- Open-source alternative to commercial glide computers

- Supports a wide range of hardware

Documentation:

- User manual: https://xcsoar.org/discover/manual.html