There might be tulips, narcissus, muscari and allium I think. I will blog which ones grow when they do as it will be interesting to see which you can keep year to year - no new spend! (I have bought some other plants I can't plant yet as I may be moving house.) I think some would probably regrow if left in the soil but I had planted other things so I wanted to dig them up.
A couple of the larger bulbs I put in plant pots first before sinking into the soil as I plan to dig the pots up for easier transport if the moving house goes through. Others are in containers anyway, and the rest I will see whether they seem worth trying to move. The new plants I'll wait as long as I can before planting so it might be in the new garden - hence the cheap reusing of bulbs.
I have also seen pansies, anenomes, lupins and asters reappear to some extent. Last summer I had lots of poppies and cornflowers, I have more seeds if I need to replant.