Micro Work 4 all - New Website aiming to get more workers and job seekers to perform tiny task and make money.
PartnerStack - GrowSumo helps growing companies increase sales, signups, and leads through partnerships Whether you're starting fresh, migrating a partner program, or ready for hyper-growth - we're ready, are you?
Picoworkers - Earn money from doing short, easy tasks similar to Microworkers. Picoworkers is the best alternative to Microworkers I ever find.
Invite Referrals - Invite Referrals is the simplest tool to design and launch customer referral campaigns.
Amazon Mechanical Turk - The online market place for work.
Impact - Impact Partnership Cloud is an affiliate marketing tool that helps businesses to manage the entire lifecycle of partnerships from recruitment to incentivization.