AoR Buckets, that's all
I am using an app that has "projects" listed in the left menu. I personally think the 10 k micro-projects are too small to be allowed to take up a long (scrolled!) left menu, and they do not give me the higher-level overview I want, so I use the app's project feature as:
- Area of Responsibility (20 k) folders (buckets) (these will "never" be completed, i.e are not projects at all)
- Major Objectives (30 k) (these will be completed at some stage and are "projects" in the everyday English sense)
Then I use other features in the software to deal with the further breakdown into smaller projects or micro-projects and tasks.
I never use any other kind of buckets than AoR buckets.