We use Intercom as our primary communication tool with our SaaS users from Day 1 and have scaled with them since.
A great application to automate engagement with your visitors, focusing on personal approach towards your customers
As a remote designer, this is a must have. I'm always contactable and available. Super easy way to also have quick calls and communicate with other team members on different teams.
I'm a part of a ton of Slack communities but I'm active in only a handful.
Slack works to its fullest only when it is implemented in a team and everyone's supposed to use it for communication. Slack could/should improve on making the communities on it better by adding relevant features.