Airtasker
24Task: Hire Freelancers
24Task: Hire Freelancer For Clients & Job Search
Sydetasker
Unicode LLC
Freelancer: Hire & Find Jobs
Freelancer.com
clickworker
clickworker GmbH
Fiverr - Freelance Service
Fiverr
Co-Tasker
LinkedIn
Sidekicker: Worker app
The Sidekicker Group
TaskVerse