Anti-Capitalist Software License (ACSL)

The Anti-Capitalist Software License (ACSL) can be adapted of course, but as it stands does not require disclosure of derived code, but limits use to individuals and organisations which do not exploit labour, but are either non profit / educational, or employee owned.

See also the general discussion about open source licenses in this earlier topic: Protective GPL licences vs permissive MIT/BSD licences - #18 by happybeing