Feedly - The content you need to accelerate your research, marketing, and sales.
Readwise - Effortlessly rediscover and organize your Kindle highlights
Reeder - Reeder is an RSS reader and client for multiple services.
Clippings.io - Organize the notes you make on your Kindle
Free Twitter RSS Feed Generator - Convert Twitter lists, hashtags & searches into RSS feeds
Knotes - An efficient, beautiful Kindle highlights & notes manager