I’ll share a related thing: https://tldrlegal.com
Lots of licenses summed up in a concise manner there

it’s a jungle indeed, here’s another guide: https://www.gnu.org/licenses/license-recommendations.html

also worth mentioning Creative Commons in this context: https://wiki.creativecommons.org/wiki/CC0_FAQ#May_I_apply_CC0_to_computer_software.3F_If_so.2C_is_there_a_recommended_implementation.3F