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Viking vs GpsPrune: catalog facts
Viking	GpsPrune
Free Free and open source under the GNU GPL.	Free Free and open source.
Windows, Linux	Windows, macOS, Linux
Edits tracks, routes and waypoints in GPX, KML and TCX Shows OSM, Bing Aerial and other map layers	Loads arbitrary text formats, XML or data from a GPS receiver Map view on OpenStreetMap with an altitude profile
Real-time GPS and Mapnik rendering are not available on Windows GTK interface looks dated on Windows	A plain desktop interface rather than a modern mobile workflow Not a navigation app for use during a trip
Downloadable app	Downloadable app
Open source	Open source
License: GPL	License: GPL-2.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.