In addition there are also several accelerators run by non profits or corporations that don't take equity. Examples include
An Indiehacker article posted in November, 2018 lists 10 more options - many of which are in Europe.
- "10 Equity-free accelerators with Open Applications" - Indiehacker, Nov 2018
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. As of April 2019, examples include: Startup Chile; SEED in Brazil; PCH in Shenzhen; Lightspeed Summer Fellowship in Boston; UFirst by Underscore VC, also in Boston and many more. Be sure to do some on line research with keywords such as "equity free accelerator" to see what's available for your startup.