Yes, Curve is open to collaboration requests with other DeFi projects and protocols. The Curve team has created a dedicated page on their governance website (https://gov.curve.fi/) where users can submit proposals for collaboration with other DeFi projects. The Curve team will then review each proposal and consider it if it is deemed to be beneficial for the Curve protocol. Additionally, the team is always open to discussing potential collaborations with other DeFi projects and protocols, and can be contacted via email or social media.