개발자 원천 증명

개발자 원천 증명(Developer Certificate of Origin, DCO)은 2004년 리눅스 재단이 SCO-리눅스 분쟁 이후 리눅스 커널에 쓰이는 소프트웨어용 제출 과정을 강화하기 위해 도입된 것이다.

DCO는 기여자 라이선스 동의(CLA)의 대안으로 종종 사용된다. 서명된 법적 계약인 DCO는 제출되는 소스 코드가 개발자로부터 기원하였다든지 개발자가 소스를 제출할 권한이 있음을 확증하는 것이다. DCO를 지지하는 사람들은 CLA에 의해 도입된 진입 장벽을 줄여준다고 주장한다.

예시 
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Developer Certificate of Origin
Version 1.1

Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
1 Letterman Drive
Suite D4700
San Francisco, CA, 94129

Everyone is permitted to copy and distribute verbatim copies of this
license document, but changing it is not allowed.

Developer's Certificate of Origin 1.1

By making a contribution to this project, I certify that:

(a) The contribution was created in whole or in part by me and I
    have the right to submit it under the open source license
    indicated in the file; or

(b) The contribution is based upon previous work that, to the best
    of my knowledge, is covered under an appropriate open source
    license and I have the right under that license to submit that
    work with modifications, whether created in whole or in part
    by me, under the same open source license (unless I am
    permitted to submit under a different license), as indicated
    in the file; or

(c) The contribution was provided directly to me by some other
    person who certified (a), (b) or (c) and I have not modified
    it.

(d) I understand and agree that this project and the contribution
    are public and that a record of the contribution (including all
    personal information I submit with it, including my sign-off) is
    maintained indefinitely and may be redistributed consistent with
    this project or the open source license(s) involved.
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각주

외부 링크 
 Developer Certificate of Origin Legal Text

리눅스