# Connectors Connectors are modules which connect opsdroid to an external event source. This could be a chat client such as Slack or Matrix, or another source of events such as webhook endpoints. If an event is triggered by something outside opsdroid it happens in a connector. ```eval_rst .. toctree:: :maxdepth: 1 facebook github gitter mattermost matrix rocketchat shell slack telegram webexteams websocket custom ```