[x] Display the option to remove some snaps and flatpaks (you can select them)
[x] Display the option to delete the oldest timeshift snapshot, if available.
[x] Display the 5 biggest folders.
[x] Display the option to open bobab (on gnome etc.) or the kde related app to analyse the diskspace) (especially if the full partition is no System Partition or home partition)
Should be basic such as apt clean and deleting trashed files. Shouldn't be like bleachbit