Readwise - Effortlessly rediscover and organize your Kindle highlights
Location History Visualizer - Visualize Google location history data on a heatmap 🗺️
Knotes - An efficient, beautiful Kindle highlights & notes manager
Conquer.Earth - Share a map marked with every place you've ever visited
Clippings.io - Organize the notes you make on your Kindle
Skratch - Keep track of the countries you’ve been 🗺️