Twitter text Splitter - Twitter text Splitter is a chrome extension that helps you to publish multiple tweets of your writing or a paragraph on your newsfeed.

Readwise - Effortlessly rediscover and organize your Kindle highlights

Privatter - Privatter is the easy way to share long texts and pictures set limit on your followers. You can post them by Sign in with Twitter account to this site.

Knotes - An efficient, beautiful Kindle highlights & notes manager

TwitLonger - TwitLonger is the easy way to post more than 140 characters to Twitter

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