Dialogflow - Conversational UX Platform. (ex API.ai)
Rebrandly - Rebrandly is the easiest way to create, share and manage branded links.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
WhatsApp Share Link Generator - A handy tool to generate WhatsApp sharing links.
Botkit - Botkit is an open source developer tool for building chat bots, apps and custom integrations for major messaging platforms.
POINT - Awesome link sharing/commenting with friends.