From Gentoo Wiki
Miscellaneous non-free licenses that do not belong to any license group, but that have been discussed before.
|License||Comment||Discussed when/where (link)?|
|Usage restrictions . Removed in Aug. 2014.||Feb. 2010|
|arj||Restricts the way the package may be used: not allowed to create competing product.||Feb./Nov. 2011|
|Similar to HPND, but has been abused too often. Therefore removed in May 2014.||Sep. 2012|
|Doesn’t grant the right to do modifications.||Jan. 2010 |
|FFSL||Non-commercial clause in conflict with freedoms 0 and 2.||June 2011|
|fmdrv||Distribution of unmodified versions not allowed, in conflict with freedom 2.||bug #453184|
|freedist||Not a real license, but only states that the package can be freely distributed.||Feb./Nov. 2011|
|lha||Restrictions on distribution. Doesn’t grant the right to do modifications.||Feb./Nov. 2011|
|mpg123-el||Requires contacting the original author before distributing modified versions, i.e. fails the “desert island” test.||Sep. 2012|
|nauty||No sale for profit, usage restrictions.||Oct. 2010 |
|truecrypt-3.0||Non-free ||Apr. 2011 |
|zchaff||“Distribution is strictly prohibited.”||bug #418455|
Software licenses that the FSF classifies as non-free .
Documentation licenses that the FSF classifies as non-free .