Slack News Feed - Get the top posts from every Slack chat you're in.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Slinky - Your slack links — organized!
Pocket - When you find something you want to view later, put it in Pocket.
Slack Platform News - News and updates from the Slack Platform direct to your team
Tagpacker - A free tool to quickly collect, organize, and share your favorite links.