Companion apps for the Steem blockchain (You use your Steemit account on all of these apps):
DTube (Censorship resistant video sharing): https://d.tube/
DLive (Censorship resistant live video streaming): https://www.dlive.io/
DSound (Censorship resistant sound sharing): https://dsound.audio/
Busy (An alternate view of Steemit): https://busy.org/
Steemvoter: https://steemit.com/steemit/@kauslevi/steemit-use-steemvoter-to-upvote-for-you-earn-free-steem-while-you-sleep-passive-income