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Viking vs MyTourbook: catalog facts
Viking	MyTourbook
Free Free and open source under the GNU GPL.	Free Free software with no paid tier.
Windows, Linux	Windows, macOS, Linux
Edits tracks, routes and waypoints in GPX, KML and TCX Shows OSM, Bing Aerial and other map layers	Imports tours from many GPS devices and bike computers Automatic tour comparison and segmenting
Real-time GPS and Mapnik rendering are not available on Windows GTK interface looks dated on Windows	Dense desktop interface with a learning curve Some device imports have been removed over time, such as Suunto 9
Downloadable app	Downloadable app
Open source	Open source
License: GPL	License not stated
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.