Chat Bots Weekly - A weekly curation of everything important in chat bots
Dialogflow - Conversational UX Platform. (ex API.ai)
Botkit - Botkit is an open source developer tool for building chat bots, apps and custom integrations for major messaging platforms.
Octane AI - Octane AI offers tools to create a bot and engage customers and audience via messaging.
BotFunded by botlist - Track which chatbots are getting the most funding
Recast.AI - Recast.AI is the leading platform to build, connect and monitor bots.