Haystack

Farcaster is a decentralized social network that empowers developers to create innovative social networks. It is an open protocol that can support multiple clients, similar to email. Users will always have the freedom to move their social identity between applications, and developers will always have the freedom to build applications with new features on the network.

Set Protocol is a asset management platform for creating, managing, and obtaining baskets of tokenized assets. The primary use case of Set Protocol is the construction of "Structured Products", which are customizable baskets of fully collateralized crypto-assets, represented as on-chain ERC20 tokens, such as the DeFi Pulse Index ($DPI) and ETH 2x Flexible Leverage Index.

Filament is a decentralized IoT software stack that uses the Bitcoin blockchain to enable devices to hold unique identities on a public ledger. It creates a smart device directory, allowing IoT devices to securely communicate, execute smart contracts, and send microtransactions.