For those who don know, PTC is a Paid-to-click meaning you get paid everytime you view a website for 20 - 30 seconds, PTR is a Paid-to-Read meaning you get paid for reading emails, but you could also get paid for viewing ads, and many more
This is just some of them, if you want to view all PTC sites i joined, please take a look at my blog :
http://free-revenue.blogspot.com/
There is also paid-to-affiliate program, paid-to-sharing, etc so its not about PTC
PTC Sites:
BuxUp

($0.01 per clicks. 100% Downline earnings. Current: 7 ads daily. Minimum payout $2)
NeoBux -
the only PTC that Pays Instant!!

($0.01 per click, 100% Downline earnings, 6 - 7 ads daily Minimum payout $2)
My Payment Proof so far
07Bux
1st Payment
2nd Payment
No-Minimum
Persian PTC
DonkeyMails
1st Payment
2nd Payment
IsabelMarco
Incentria
More Making Online Opportunities:
http://free-revenue.blogspot.com/