Weferral - Open source referral & affiliate management software

Teamable - Teamable is a referral recruiting platformto source passive candidates and immediately request warm, email introductions from employees.

Viral Loops - Viral Loops is a viral and referral marketing platform to launch ranking competitions, sweepstakes, pre-launch and referral programs.

Flexiple - Flexiple helps companies work with top tech talent within 48 hours to 7 days. Our talent are handpicked through a rigorous screening process and are alumni from top tech companies such as Amazon, Adobe, Microsoft, amongst others.

Waitlist API - Quick and easy waitlist with built in referral.

Intrro - Intrro is productizing the ability to learn who are the top performers in your company’s network—so you can hire more from recommendations.