A

aviation

FlightGear open-source flight simulator flightgear.org

SimGear - simulation libraries for FlightGear

World Scenery Build Tools

Command line utility for geographic coordinates format conversions.

vfrp is short for "VFR planning". It's a tool to ease parts of the planning for a VFR flight.

Modern C++ library for parsing METAR weather report and TAF weather forecast

Command line utility for bulk-decoding batches of METAR and TAF reports used in aviation and converting them to JSON