BotList - An app store for bots
Dialogflow - Conversational UX Platform. (ex API.ai)
BotPages - Find, discover, and promote bots.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Slack App Directory - Your go-to for finding apps that work with Slack
Botpress - Open-source platform for developers to build high-quality digital assistants