Avare FOSS app
Avare FOSS is Navigation tool that is open source under the BSD-2-Clause license. Avare (pronounced "AvAir") is a free moving aviation map. Basic features includeonline or offline A/FD info, approach plates and GPS moving map on all FAA VFR
sectionals, WACs and TACs, plus IFR low charts and airport diagrams. Avare also
enables manual browsing of all charts and all other materials even without cell
service or GPS. Current FAA weather METARs, TAFs and TFRs are provided too.
Notice: This is not an FAA certified GPS.