vim-minimdA fast, folding Markdown outliner for Vim
tinesTines is a console-based outliner/planner/notebook. It is a fork of the hnb outliner, which has not been updated in >10 years.
outsplineExtensible outliner and personal time organizer to manage todo lists, schedule tasks, remind events.
organicOutliner, organizer and notes management app.
hyperboleGNU Hyperbole: The Everyday, Hypertextual Information Manager