Hi @talaviaharshit, Welcome to Steem blockchain.
Steemit is one of the dapps on steem blockchain. There many more. You can check for a list of the dapps on steem blockchain here: https://www.stateofthedapps.com/platforms/steem
You can use any one or more of the dapps to post on steem blockchain. For instance if you like to hunt for new products and write about them, then you can use steemhunt.com. If you merely wish to share an interesting article with your thoughts on the subject matter of the article, then you can use dlike.io. If you wish to blog, then use steemit.com, steempeak.com or steeve.app.
https://steemworld.org
https://steem.center
Good luck.