Optimalbux is the sister site of Scarletclicks and GPTPlanet. It offers a variety of earning options and is a site that you should definitely add to your portfolio.
Clixblue is a legit ptc sites that offers multiple ways of earning cash to it’s members. The site has been online since 2014 and has established a good reputation in the ptc world.
Leadsleap is a unique adverising network. You can use the site to earn money just by surfing ads or for creating leads and building a list. Many of the features that the site has can be used for free!
Heedyou is a legit and trustable PTC site that has been online since 2012. Except from the traditional PTC earning options Heedyou offers very attractive advertising rates to promote your site or affiliate link.