Steemit is a blockchain-based social media platform that incentivizes participation with micro-payments to users and publishers. It was co-founded by Dan Larmimer, who also founded EOS and BitShares. Steemit has gained a significant following and is one of the most important content curation platforms in the blockchain space. Steemit's blockchain-based rewards content and social media platform is powered by the STEEM coin. Their blockchain has a Proof-of-Stake (PoS) consensus mechanism. Steemit also has a third-party decentralized video platform called D.tube that uses STEEM tokens to reward video creators.

TTC Protocol is a blockchain based social networking protocol. They are developing a decentralized platform that will provide tokenized incentives for contributing to their ecosystem. The network is powered by the Ethereum-based TTC token.

QunQun is an Ethereum based platform for creating communities. Users can create and operate their own community themed networks and use QUN tokens to make transactions.