Google Opinion Rewards - Answer quick surveys and earn Google Play credits with Google Opinion Rewards.

Respondent - Respondent helps you find any target audience in the world for in-person and remote research studies across all research methods including interviews, focus groups, surveys, and more. Respondent works with any research tool you already use.

Swagbucks - Swagbucks is a loyalty program that offers individuals rewards for engaging in various activities. Users can earn reward points for performing Internet searches, purchasing items from affiliated vendors, or completing polls.

Startquestion - Say goodbye to boring surveys and forms.

SavvyConnect - It is a free software that tracks your digital actions to help companies learn about consumer...

Qualaroo - Qualaroo makes it easy to survey specific groups of website visitors to gain qualitative information.