@ryanc I recommend the Apache License 2.0 for this. It's a bit stronger wrt conferring protections regarding patents. The FSF even prefers it for this tier of FOSS:
The Apache License 2.0 is the best non-copyleft license that does what a copyright license can to mitigate threats from software patents. It's a well-established, mature license that users, developers, and distributors alike are all comfortable with. You can tell it's important by the way that other free software licenses work to cooperate with it: the drafting processes for GPLv3 and the Mozilla Public License 2.0 named compatibility with the Apache License 2.0 as a goal from day one.