Readwise - Effortlessly rediscover and organize your Kindle highlights
The Influencer Marketing Stack - Free resources to launch a killer campaign
Knotes - An efficient, beautiful Kindle highlights & notes manager
Startup Stash - A curated directory of 400 resources & tools for startups
Clippings.io - Organize the notes you make on your Kindle
Makerbook - A directory of the best free resources for creatives