Route plotters

Nakarte.me
A simple free-to-use manual plotter with a great map selection including OS maps. No registration required. It works in a desktop or phone browser. Share map and GPX. Great print tool.

No guides for these…

AllTrails
Unsubscribed users are free to use the snap-to-path and manual plotting on OSM mapping at AllTrails. A personal route library is also free. GPX files may be exported.
AllTrails desktop plotter

GaiaGPS desktop plotter
No OS maps but a great route plotter with worldwide maps. Free to use. Manual & snap-to-path plotting. Personal library. Share route maps & GPX files. Simple print tool.
GaiaGPS desktop plotter

Mapy.cz
This will sync routes with the free Mapy.cz navigation app and export GPX files to share. A personal library. Not the best plotting tool but the whole Mapy platform is free.
Mapy.cz website

Plotaroute.com
A powerful online route plotter. Free to use on a desktop and phone. OS mapping for subscribed users. Manual & snap-to-path plotting. A powerful personal library. Share route maps and GPX files. A map print tool.

No guides for these…

OS Maps desktop plotter
Only useful to subscribed users as it will not export a GPX file to unsubscribed users. Subscribed users only for the print tool.
OS maps website

Outdooractive desktop plotter
Offers snap-to-path and manual plotting on OSM mapping for unsubscribed users. OS maps and more for subscribed users. Anyone can export GPX files and share route maps. The free personal library offers great organisation tools.
Outdooractive route planner

WalkLakes.co.uk desktop plotter
Simple manual plotting. OS maps and great OS/OSM hybrid mapping for the UK (WayMaps). Bing satellite imagery. Browser printing produces good maps.
WalkLakes website