Testbirds - Testbirds is a crowdtesting platform with a community of 100,000 testers
Bugcrowd - Harness the largest pool of curated and ranked security researchers to run the most efficient bug bounty and penetration tests
Synack - Penetration testing and vulnerability management that finds your most critical vulnerabilities and tracks improvement over time.
Cobalt - CAD and 3D modeling software for Mac and Windows.
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.
test IO - QA platform to test web & mobile apps