IANAL, but the problem with these types of licenses (e.g. WTFPL, Beerware, etc) is that they lack any liability/warranty clauses. If you want a simple, open-as-

IANAL, but the problem with these types of licenses (e.g. WTFPL, Beerware, etc) is that they lack any liability/warranty clauses. If you want a simple, open-as-possible license, you should generally just go with MIT or a similar (and well-known) license.