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.
Houseparty - Brining empathy to online communication.
Twishort - Twishort is a best Twitter app for writing longer tweets. Tweet more than 140 characters
Booyah - Video chat with up to 12 friends at the same time.
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.
Slack - A messaging app for teams who see through the Earth!