A recent addition to my list is the American Research Institute for Policy Development (ARIPD), which, unlike most new OA publishers, has a clever and professional-appearing website, until you look a little closer, that is.
I recently discovered a group of 15 brand-new journals that are not published under the banner of any publisher — each operates as an independent journal. They all have an intriguing relationship with Academic and Scientific Publishing, a new predatory publisher I recently described in an earlier blog post.
I am currently researching an organization called the Maryland Institute of Research. It publishes two open-access journals, the International Journal of Business and Social Research, which began in 2011, and the Journal of Arts and Humanities (JAH), which just published its first issue in August, 2012.