Open Source C++ Mapping Software

Organic Maps is a free Android & iOS offline maps app for travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by MapsWithMe (MapsMe) founders and our community. No ads, no tracking, no data collection, no crapware. Your donations and positive reviews motivate and inspire our small team! Organic Maps is the ultimate companion app for travelers, tourists, hikers, and cyclists. Detailed offline maps with places that don't exist on other maps, thanks to OpenStreetMap. Cycling routes, hiking trails, and walking paths. Contour lines, elevation profiles, peaks, and slopes. Turn-by-turn walking, cycling, and car navigation with voice guidance. Bookmarks export and import in KML/KMZ formats (GPX is planned). Organic Maps app is free from trackers and other bad stuff. Organic Maps is pure and organic, made with love.

NAVeGIS is a WinCE/Windows Mobile navigation application.

Vector metro (subway) map for calculating route and getting information about transport nodes. Its GPL project for creating analog of pMetro (Muradov B.) About 200 maps of subways are available: http://translate.google.com/translate?sl=ru&tl=en&u=http://pmetro.su/Maps.html (Maps have an open format and can easily be edited or created) App available for many platforms: http://qt-apps.org/content/show.php?content=146249 Also available for Symbian: http://qmetro.sf.net/mobile/ How to translate: https://sf.net/projects/qmetro/files/translation/

This is a Windows Mobile software that monitors SIM card, GPS position, and auto answer to SMS. It's small (build in C++), doesn't have any dependency, and still provides all the features found in commercial applications. It consumes no memory.

Translator of Condor (The Competition Soaring Simulator) task to gliding navigation application (e.g. LK8000) file formats.

Open source firmware for navigation devices using OpenStreetMap as primary maps source.

Q-Rap (www.QRap.org.za) is a Radio Network Planning plug-in for QGIS (www.qgis.org)

Footprints is an App provided by HTC Android based phones, combining the GPS position, a photo, address and other tags of a location into a database . QFootPrints, a portable, QT-based application, supports importing, editing and exporting them.

VKGeo is the best mobile application to determine the location of your family members and friends from VKontakte social network and to share your location with them. Worry where your child or friend is, want to meet your guests in time or appointed a meeting in a crowded place? No need to call or send messages - just open this locator application and see GPS coordinates of your friends on the map. Choose friends whose location you would like to see, send them invitations - and after they install the app and add you to their list of trusted friends, you can see where they are. VKGeo is available for iOS 11+ and Android 5.0+ environments, as well as HTML5 application (with limited functionality).