These are sites that I have tried myself or come very highly recommended from my fellow money makers - I do suggest you open a separate email account if you want to join these sites as some come with a higher volume of junk mail.
Swagbucks - earn points by searching, playing games, & more, redeem points for giftcards, prizes & paypal cash
Web Perspectives - earn points by doing surveys, redeem points for gift cards & paypal cash
Zoombucks - earn points by searching, surveys, & bonus codes, redeem points for gift cards & paypal cash
iRazoo - earn points by searching, surveys, games & more, redeem points for gift cards
Superpoints - by invite only as per their site rules. Please contact me if you would like to join
Swagbucks - earn points by searching, playing games, & more, redeem points for giftcards, prizes & paypal cash
Web Perspectives - earn points by doing surveys, redeem points for gift cards & paypal cash
Zoombucks - earn points by searching, surveys, & bonus codes, redeem points for gift cards & paypal cash
iRazoo - earn points by searching, surveys, games & more, redeem points for gift cards
Superpoints - by invite only as per their site rules. Please contact me if you would like to join