Task based sites
Remotasks
Data Annotation
Academic Surveys
Prolific
Cloud Research (My review)
MTurk (My review)
Focus Groups
UserTesting (My review)
Dscout (My review)
Market Surveys
MyPoints (My review)
Swagbucks(My review)
Qmee
Survey Junkie
AttaPoll
Games
MistPlay
Submitting Receipts
Fetch
Ibotta