monday.com, Todoist, OpenProject, CherryTree, ClickUp, TickTick, Wekan, Org mode, Zenkit, Quire, Tasks.org, Remember The Milk, Cryptee, Papier, 4Minitz, Ivy App, eGoal, Kanban2go, HackFlowy, Launchlist, Wunderlist for Outlook, Crrux, dooity, Printable Checklist are some alternatives to Sometime.