Prometheus

Prometheus is an open-source systems monitoring and alerting toolkit. To integrate alerts from Prometheus' Alertmanager follow the install instructions here:

GitHub - pavel-kazhavets/AlertmanagerRocketChat: Integration of Alertmanager notifications in RocketChatGitHub

Alternative integration that creates concise messages:

GitHub - puzzle/prometheus-rocket-chat: A Rocket.Chat webhook that receives Prometheus Alertmananager alerts and creates concise messagesGitHub