SmartContract.com - ChainLink - Connect Smart Contracts to your Applications and Data
Mastodon - Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!
Cues.sg - Cues is a website that generates code for your own smart contracts and Web 3.0 apps, in a simple 3 step process.
Peepeth - Blockchain-powered Twitter with a soul.
Fondu - Open source free ICO smart-contract builder
Numa - A federated social network, built on Ethereum and IPFS.