t2bot.io provides bridges, bots, and other Matrix integrations free of charge. Donations are greatly appreciated and go directly to helping offset the costs of running the service, which is operated by TravisR in his spare time. For more information on what sort of hardware t2bot.io runs on, see the Infrastructure Page.
Communicate with the outside world without leaving Matrix
Add utility to your rooms with bots
Try before you self-host, or take a look at how things are going
Not all bots increase productivity - here's some to help brighten your day