The Spanish 'ser' and 'estar' is a peculiarity which it shares with Italian, which also has 'essere' and 'stare' but doesn't use 'stare' as frequently as Spanish uses 'estar'. With that out of the way, there is no such usage in French. The only verb for 'to be' you need concern yourself with is 'être'. But you have the following conjugations:

Infinitive (to be)
Imperative (Be!)
Present indicative (I am, you are, etc.)
Imperfect indicative (I was)
Perfect indicative (I was, I have been)
Pluperfect indicative (I had been)
Narrative preterite (I was)
Future indicative (I shall be)
Conditional (I would be)
Future perfect indicative (I shall have been)
Conditional perfect (I should have been)

Not counting the first two on the list, that's 9 full conjugations (I may even have forgotten one or 2) and we haven't started on the subjunctive conjugations, of which there is one to match most of the indicative ones.

Still want a listing?