Olyo - Direct marketing via Facebook Messenger
Dialogflow - Conversational UX Platform. (ex API.ai)
Programming for Marketers - Free email course for wannabe technical marketers
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Job Promotion Course - Step-by-step promotion guide in a free 7-day email course
Botpress - Open-source platform for developers to build high-quality digital assistants