I suggest its clone, Double Commander. Does everything as TC, supports its plugins and is cross platform and open source. I was very active in TC community until I switched to DC.

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rzzzt an hour ago | parent [-]

Is it possible to show a dialog at startup that waits until I press one of the 1-2-3 buttons?

	▲	majkinetor an hour ago \| parent [-]
		Of course. How can you even ask that.