7todos - A task board for indie hackers
Readwise - Effortlessly rediscover and organize your Kindle highlights
Butterfly - Butterfly is the web platform & chat-bots that offer real-time coaching to continuously develop managers based on their team's feedback.
Clippings.io - Organize the notes you make on your Kindle
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Klib - Kindle & iBooks Highlights Manager