Не забравяй, че less е свободен софтуер и имаш право да ползваш кода му в свои програми, но си длъжен да направиш тези програми свободни (GNU GPL лиценз).
Сега видях, че се разпространява с два различни лиценза - вторият лиценз май не го защитава достатъчно - доколкото го разбрах, можеш да ползваш кода в несвободна програма, като задължително включиш "Copyright (C) 1984-2002 Mark Nudelman" в пакет с нея.

                          Less License

                          ------------



Less

Copyright (C) 1984-2002  Mark Nudelman



Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions

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   notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright

   notice in the documentation and/or other materials provided with

   the distribution.



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