Heartbeat - Listen to music with your friends together, on Spotify
Twishort - Twishort is a best Twitter app for writing longer tweets. Tweet more than 140 characters
Liyo - Stream your favorite music live with friends 🎶
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.
Partyhero - Pass your friends the aux!
5Tweets.com - Type a long tweet and 5Tweets will rewrite it into multiple tweets with a tweet count.