Mailing list
We host our mailing list on Google Groups. To join, go to Simply Logical Google Group, log in to your Google account, and click 
button.
Gitter
We use Gitter for public conversations about development. Feel free to chat with us!
Slack
Internally, we use Slack for communication regarding core development. If we forget to invite you, contact us and we will fix this.
You can also email us at contact@simply-logical.space.