21 Lists - Send and receive targeted, paid microtasks
EthHub - The essential resource for Ethereum information.
Bitbounce - Charge unsolicited email senders a cryptocurrency fee
PINGOO - Pingoo is a micro-learning app that enables you to create content, engage with your audience, and monetize your knowledge.
Octopus Tasks - Earn by doing micro-tasks for companies and friends.
SerpClix - SerpClix is a click exchange network used to send more real clicks to your Google SERP. You can click to earn money or buy clicks to rank higher on Google.