I like to use the JOSM editor for OpenStreetMap. For doing large armchair mapping tasks, it's the best tool for the job, despite its intimidating learning curve. One of the nice things about JOSM is its extensibility, hosting a niche ecosystem of presets and plugins.
Presets are simple XML files which allow certain combinations of tags to be entered via a form rather than manually typing the tags out. I've made a few simple presets for some of my common tasks, and I hope you also find them useful: