CC0 can be used for source code. For example, the FSF lists it as a GPL-compatible free software license and states: "If you want to release your work to the pu

CC0 can be used for source code. For example, the FSF lists it as a GPL-compatible free software license and states: "If you want to release your work to the public domain, we recommend you use CC0." https://www.gnu.org/licenses/license-list.en.html#CC0 https://www.gnu.org/licenses/license-list.en.html#CC0 Creative Commons themselves have published a FAQ entry on the matter: https://wiki.creativecommons.org/wiki/CC0_FAQ#May_I_apply_CC0_to_computer_software.3F_If_so.2C_is_there_a_recommended_implementation.3F https://wiki.creativecommons.org/wiki/CC0_FAQ#May_I_apply_CC...