botwick - Build your own SMS-based text bot
Qiscus - Engage your customers from your own apps and mainstream chat apps like Whatsapp, LINE, Facebook Messenger, Telegram, Email, Twitter, Instagram, etc. and centralize all chats into a single dashboard.
Bot Store - A marketplace for ready-to-customize chatbot templates.
Kait.ai - Connecting People With Brands
Abot for Slack - Trusted by over 1000 Slack teams ✅. Abot is a simple and highly configurable app for anonymous feedback messages and more. If you want to create a poll on Slack or use it as an anonymous suggestion box you just need to type a simple command.
WeChat API - WeChat API and SDK allow developers to access and integrate the functionality of WeChat with other applications.