Just after getting updated to Froyo, Samsung Captivate has now received a CyanogenMod 7 Gingerbread build. It’s still early stages. Though it’s being called ‘usable’, it’s still a test release, meaning there will be bugs. However, if you’re gutsy enough, you may want to flash your Captivate with this release, and also help the CM7 community.
Follow this link to XDA