Yes, the Yearn Finance project does have partnerships with other projects and joint products with other companies. The Yearn Finance project has established partnerships with a number of leading projects in the DeFi space, including Maker, Compound, Aave, and Uniswap. These partnerships have enabled Yearn Finance to offer a range of joint products and services to its users, including yield farming, liquidity mining, and more. Yearn Finance has also partnered with a number of leading companies in the cryptocurrency space, such as Coinbase, Binance, and BitGo, to offer joint products and services to its users. Through these partnerships, Yearn Finance has been able to offer its users access to a wide range of products and services, making it one of the most comprehensive DeFi platforms available.