Reciprocal Licenses

GPL v2 GPL is the most widely used free software license and is fully reciprocal. Derived works must be distributed under the same license. View full license »
Required
  • Copyright inclusion
  • State changes
  • Disclose Source
  • Warranty
Permitted
  • Commercial use
  • Modification
  • Distribution
Forbidden
  • Liability
  • Sublicensing
GPL v3 Version 3 of the GPL adds a clause that requires source code when distributed on hardware devices. View full license »
Required
  • Copyright inclusion
  • State changes
  • Disclose Source
  • Warranty
Permitted
  • Commercial use
  • Modification
  • Distribution
Forbidden
  • Liability
  • Sublicensing