3uTools - 3uTools is a most efficient iOS file and data management tool for Apple users.
AppNext - AppNext offers mobile monetization and app distribution solutions.
Blackra1n - (This is an OUTDATED jailbreaking method.)
Liftoff.io - eCommerce & web to print platform
checkra1n - Jailbreak for iPhone 5s through iPhone X, iOS 12.0 and up
Localytics - App analytics and marketing for iPhone, iPad, Android, HTML5, Blackberry and Windows apps.