<img src="./Data/graphics/logo.svg" width="5%" alt="XCSoar Logo"> XCSoar

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XCSoar is a tactical glide computer for glider pilots. Free and open-source. No ads. No tracking. Runs on Android, iOS, Linux, macOS, and Windows. Developed with love by the open-source community.

Features

XCSoar includes the tools most glider pilots need for cross-country flying:

• Moving map with terrain, airspace, airports, and task navigation
• Context-sensitive infoboxes with altitude, navigation, glide calculations, wind, weather, and task data
• Traffic display and 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 and support for online thermal sources
• Import support for common waypoint, airspace, and map formats (including CUP, CUPX, OpenAir, and XCM)

Why XCSoar?

XCSoar is built for pilots, by pilots:

• 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 single-board/embedded computers (Raspberry Pi, OpenVario)
• Open-source alternative to commercial glide computers
• Supports a wide range of hardware
• Supported device drivers include:
  • Collision avoidance: FLARM, Stratux
  • Varios: XCVario, CAI 302, OpenVario, Borgelt B50, Flymaster, Flytec, XCTracer, LXNAV Vario S* and V7 series, LXNAVIGATION ERA variometer, Loefgren vario
  • Radios: AIR Avionics ACD-57, TQ-Aviation (KRT2), XCOM 760, ATR833
  • Simulator: Condor 3 flight simulator

Give XCSoar a try!

Documentation

• User manual (latest release): xcsoar.org/discover/manual.html
• Developer's Manual: xcsoar.readthedocs.io/en/latest/build.html

Contributing

If you want to build the project, see the Developer's Manual. If you want to help the project, see the writing patches policy. Patches should be submitted as GitHub pull requests, and general discussion can happen on GitHub Discussions.

Feedback

• Report bugs or request features: GitHub Issues
• Discuss: GitHub Discussions

License

The code is licensed under the GPL-2.0-or-later. See COPYING for details. Privacy policy: PRIVACY.md.