My first favorite application on steem is : https://d.tube/
It's a video hosting platform where you can upload a video or share the link and earn steem and you can convert that to real money.
The second one is : https://dsound.audio
It's an application for music and podcasts, so you can be rewarded just for uploading there your music if you have it or podcast created by you.
The third one is : https://busy.org/
So, you can be rewarded there by writing.
That's what I wrote in the discription of the video on youtube to promote steem !
For more details about my favorite dapps check 
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