I use Todoist (todo list software). The killer features for me are that it has natural language parsing for recurring things like "take out the garbage every tu

I use Todoist (todo list software). The killer features for me are that it has natural language parsing for recurring things like "take out the garbage every tuesday", "replace the A/C filters every six months", etc., and that it has mobile and desktop apps with quick-add hotkeys. Basically, I can create tasks on any schedule or recurring cadence in 2-5 seconds by typing a sentence on any platform.