developerDB: the database for tech recruiting. Find & Contact Millions of Developers. Recruit Passive Candidates w/ 360 Viewpoint. FREE TO USE at www.developerdb.com/registration • 10 million personal emails of developers and tech workers • Ranking by tech skills on all active GitHub and Stack Overflow users • Work history, social media, and personal interests • Likely to Leaving Prediction based on both personal and current work environment • Diversity filtering