In addition there are also several accelerators run by non profits or corporations that don't take equity. Examples include
An undated Startup Freak article lists a number of equity free accelerators all over the world.
New programs come up all the time, including accelerators that are backed by government organizations (including many international options), non profits, for-profit corporations, venture capital firms. We suggest you do a web search on "equity free startup accelerators" to find updated lists of accelerators that may meet your needs.