There are 2 repositories under hubot-adapter topic.
Hubot adapter for Mattermost using Web API and Websockets
:electric_plug: A Hubot adapter for Facebook Messenger Platform (Bots) with zero external dependencies.
This is the Yammer adapter for hubot that allows you to send a message to him with Yammer and he will happily reply the same way.
Hubot adapter for Google Chat.
A hubot adapter event listener that sits inbetween hubot and the desired hubot adapter.
The SAP Jam Adapter allows Hubot to easily communicate with Jam users through Jam Messages, Feed Entries, Forums and more. Little to no knowledge of the Jam OData API or its webhook notifications is needed, making the development of Hubot scripts for Jam extremely simple. (This Repository has been archived upon Members choice)
A Hubot adapter for Discord, using the Discord.js API supporting the latest versions of Discord.js and Hubot. Make your own highly customizable Discord Bot.
Adapter for Hubot to communicate on any mastodon instance
A hubot adapter for Mattermost that uses the webhook API and supports attachments