Here's a compiled list of websites that are useful and related to Steem
https://www.steemimg.com/
(This site let you upload and share Steem images)
http://steemwhales.com/
(Rankings for Steemit)
http://www.steemdollar.com/
(Steem Dollar Ticker & Conversion. Showing you the "real" Steem Dollar value calculated with the latest exchange values.)
http://www.steemis.com/
(Streams of Steemit contents such as: posts, comments, activities)
http://www.markdowntutorial.com/lesson/1/
(markdown tutorials)
https://steemit.com/~witnesses
(list of Steemit witnesses)
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I'll give you my upvote.
Please reciprocate in my post https://steemit.com/introduceyourself/@gustavopasquini/hello-steemers-new-member-introduced-in-steemit-community-video