Comparison of free and open-source software licenses

Jacobsen v. Katzer – a ruling which states that legal copyrights can have $0 value and thereby supports all licenses, both commercial and open-source

List of free-content licenses

List of free and open-source software licenses

List of copyleft software licenses

List of permissive software licenses

image open-source license

define open-source license

wikipedia open-source license

weblio open-source license

kotobank open-source license

jisho open-source license