BotList - An app store for bots
Best Referral Programs - A curated directory of startup referral programs
ManyChat - ManyChat lets you create a Facebook Messenger bot for marketing, sales and support.
GrowSurf - Referral software for B2C, FinTech, and SaaS companies.
ChatBottle - Chatbots Search Engine
YesGraph - Boost viral growth by recommending who users should invite