Monkkee - Keep a private journal securely on the Internet – to provide a convenient user experience your...
Readwise - Effortlessly rediscover and organize your Kindle highlights
The Guide - The Guide is a two-pane outliner - a program that allows you to arrange text notes in a tree-like...
Knotes - An efficient, beautiful Kindle highlights & notes manager
Scrapbox - A new style of note-taking that lets you create, discuss, and learn together in one self-organizing space.
Clippings.io - Organize the notes you make on your Kindle