Readwise - Effortlessly rediscover and organize your Kindle highlights
Slinky - Your slack links — organized!
Knotes - An efficient, beautiful Kindle highlights & notes manager
Slack It - A bookmarklet to share links in Slack with one click
Clippings.io - Organize the notes you make on your Kindle
Top Daily Hunts in Slack - A simple, fast way to browse news within Slack