Live tracking, flight track database and competition framework
Python HTML JavaScript CSS
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SkyLines is a web platform where pilots can share their flights with others after, or even during flight via live tracking. SkyLines is a sort of social network for pilots including rankings, statistics and other interesting features. Most of all SkyLines is truly open in all regards compared to other similar platforms.

SkyLines has started development in 2012 as a spin-off from the popular XCSoar glide computer. Internally SkyLines is still sharing some code with XCSoar in the algorithmic areas and is providing the base for XCSoar's live tracking functionalities.

SkyLines is far from finished yet, but it has been running in production for quite some time now. You can reach the official server at

Build Status: Build Status

Getting the source

The SkyLines source code is managed with git. It can be downloaded with the following command:

$ git clone git://

For more information, please refer to the git documentation.

Installation and Setup

SkyLines is based on Python and depends on the following major components:

The process of installing these components and setting up a server for local development is described in the file.

Contact and Contributing

You can reach us and read about news on Facebook, Twitter and Google+. We are also reachable via IRC on the #skylines channel of the freenode servers.

Bugs and feature request can be submitted either to the XCSoar trac instance under the SkyLines milestone or on GitHub. New ideas can also be discussed in the Wiki first.

Patches should be submitted using the Pull Request system of GitHub because of the integration with TravisCI. You can also send patches via mail to any of the current maintainers though.

Here are a few guidelines for creating patches:

  • patches should be self-contained
  • patches should be self-documenting
    (add a good description on what is changed, and why you are changing it)
  • write one patch for one change


SkyLines - the free internet platform for sharing flights
Copyright (C) 2012-2013  The SkyLines Team (see

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <>.

You can find the full license text in the LICENSE file.