Readwise - Effortlessly rediscover and organize your Kindle highlights

CoSell - Unlock revenue through your exclusive network purpose-built for referrals and relationship-selling.

Knotes - An efficient, beautiful Kindle highlights & notes manager

Intrro - Intrro is productizing the ability to learn who are the top performers in your company’s network—so you can hire more from recommendations.

Clippings.io - Organize the notes you make on your Kindle

about.me for Slack - Create a visual team directory for introductions