Accompany - Accompany platform integrates with email, contacts, social feeds and more to keep you informed on your professional connections.
Landing Pages by Viral Loops - Easily create a landing page for your referral campaign ✌️
Propeller CRM - Small business CRM with deep Gmail integration
Best Referral Programs - A curated directory of startup referral programs
Streak - Manage customers inside Gmail
Rewardful - All-in-One Affiliate Management Software for SaaS