Apereo maintains a Slack account with a collection of community chat channels available for members to join. Visit the URL below to sign up.
https://apereo.slack.com/signup
If you can't find your "at institution.edu" on the Apereo signup page then send an email requesting access for yourself and your institution either to sakai-qa-planners@apereo.org or sakaicoordinator@apereo.org .
We currently have Slack groups for Sakai Developers, Documentation, QA, Teaching and Learning, UX, and more.