Discussion categories
Alt+Shift+M picks up a node. Use arrows and typeahead to browse destinations. Space cycles before, inside, and after. Enter places; Escape cancels. Tab cancels and leaves move mode.
Library pages
Zen Browser is a free, open-source Firefox-based browser built around calmer, more organized browsing. Its productivity-focused design includes workspaces, sidebar tabs, split view, and community-made themes and plug-ins.