There may be a few more, but these are the ones that come to mind at the moment. I also have an RP myself that isn't active in an everyday sense, as in only expect a post once at least every two weeks without dropping you, but I wouldn't want you to sign up for it if you are rather new to RPing, as it isn't exactly for new RPers as much If you are interested, here's the link:
What i mean by heaps of writing is the amount of writing in the amount of time free i have.
I have no problem with writing a lot of characters but it would take me some time and as i said i have no time. Also if the RP is very active i think, frankly they will just get impatient of me.