Dialogflow - Conversational UX Platform. (ex API.ai)
200 Words a Day - A community to get into a writing habit and improve ✍️
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Telegra.ph - Post articles online without an account at Telegram's anonymous publishing platform.
Botpress - Open-source platform for developers to build high-quality digital assistants
Expensive Chat - Chatroom where you pay per letter