NetBase - Social media analytics platform
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.
Social Status - Automate your social media reporting
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.
BuzzSumo - BuzzSumo allows you to discover the most shared links and key influencers for any topic. It's free to use and you can run a search in seconds!
TwitLonger - TwitLonger is the easy way to post more than 140 characters to Twitter