Welcome to the STEEM world (and you thought it was just STEEMIT)

Steemit.com is just one platform of many where you can earn STEEM.

Here are the others so far and this list will grow:

Busy.org - Facebook like design for Steem
Mspsteem.com - MSP Front End for Steem
Steem.kr - Korean front end for Steem
Esteem - Mobile Steem Client for iOS and Android
SteemitStage.com - SteemitInc Mirror of Steemit (for testing out new features. Often works when steemit doesn't)
condenser.steemliberator.com

dApps - These decentralized applications serve a variety of purposes, built on top of the Steem Blockchain:

Utopian.io - For rewarding Open Source Developers via the Steem Blockchain.
Chainbb.com - a Forum structured interface for Steem
SteepShot - An instagram like client for Steem
Dlive.io - Live Video Streaming platform for steem
D.tube - Video Platform like Youtube with Steem rewards
Dsound.audio - Soundcloud like Platform With Steem Rewards
Dmania.lol - An app for posting your favorite memes, funny pictures, gifs and videos.
Zappl.com - A twitter/reddit mash-up, meant for short/quick sharing of media and links.
Appics.com - a revolutionary social mobile APP that lets anyone without prior crypto-knowledge benefit from blockchain technology effortlessly. (Coming Soon, of the first SMT created)
Passagex.com - Event-Ticketing Network - Being built on the Steem Blockchain
Oneplace.media - A different way to view Steem Posts (it looks nice over there :)

Source:
https://steemit.com/steemdev/@inquiringtimes/steem-web-resources-tools-apps-communities-ect