UTest - uTest is the world's largest professional network for software testers and test engineers - 175,000+ QA professionals from more than 200 countries and territories.
Applause - Applause is the leader in crowdtesting. Our community of 300,000 digital experience experts helps software teams improve software quality and speed up releases.
Testbirds - Testbirds is a crowdtesting platform with a community of 100,000 testers
Digivante - Release software with confidence.
test IO - QA platform to test web & mobile apps
Test Army - Test Army is a crowdsorced testing platform.