Well I guess there's Foundationdb [1] and cups [2] but those were acquisitions. [1] https://github.com/apple/foundationdb https://github.com/apple/foundationdb

Well I guess there's Foundationdb [1] and cups [2] but those were acquisitions. [1] https://github.com/apple/foundationdb https://github.com/apple/foundationdb [2] https://github.com/apple/cups https://github.com/apple/cups