I am currently in the middle of working on a new BotMan feature - a frontend widget that you can embed into your website to make it easier to connect your website visitors with your own self-hosted chatbot solution. The backend / PHP side is already working and leverages the BotMan web driver, which is basically just an API that you can use to interact with your chatbot.
Uptime and SSL certificate monitoring doesn't have to be boring, confusing or expensive. Together with my buddy Mattias Geniar I'm currently building Oh Dear: a webapp to keep an eye on the health of your websites. Register here to try it out. (sponsored link)