Dialogflow - Conversational UX Platform. (ex API.ai)
Letterly - Send handwritten cards to family and friends
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Salesforce Sales Cloud - Cloud-based CRM & Sales Automation
Botkit - Botkit is an open source developer tool for building chat bots, apps and custom integrations for major messaging platforms.
Toolyt SFA - The Intelligent Mobile Assistant that lets you Empower Your Field Sales and Increase Productivity