Workshop subscription & payment?

Hello,

I would like to create wordpress sites for my workshops. Anouncing the workshop and than and administrating them.
I would like to have the posibility
– To have people pay via the site (paypal, banktransfer, credit card)
– Administrate automatically how much places are left
– sent automatic emails once they have registered or payed – how to get to workshop etc)
– let people be able to register in a waiting list (and if place gets free(cancled) be automatically informed to suscribe
. make a list of names & emails etc to than import in email/contact programs
– give discounts if they sign up at the same time for more than one workshop
– somehow track back if they have made the banktransfer (by uploading like a foto of the banktransfer or sth like that) – if they do not do it at a certain time (like 1 day after suscription) the place gets free again.

Things like this
Is there any free wordpress plugin/theme that has most of these features already?
Or are there different plugins that I could use to create such a workshop page?
Thank you for your help