Slack News Feed - Get the top posts from every Slack chat you're in.
Slack-News - Read news from multiple sources within Slack by just typing
SlackScreen - Full screen public Slack channel display
Obie.ai - Access knowledge quicker without leaving Slack
Mashs and the Bear - Mashs and the Bear developed and published by 01Digital for Android and iOS devices.
Slinky - Your slack links — organized!