Comaps - Hike, Bike, Drive Offline Navigate with Privacy
Source-code: https://codeberg.org/comaps/comaps
PhotoPills
Discover how to plan legendary shots in seconds, systematically and for any location on Earth.
Organic Maps
Fast detailed offline maps, based on OpenStreetMap and curated with love by MapsWithMe founders.
KStars
KDE Homepage, KDE.org