Changes

http://www.acceleratorinfo.com/see-all.html - Extensive but mostly older accelerator companies, with many of the companies now non-existent.

http://www.seed-db.com/accelerators/all - Extremely extensive list of accelerators, some dead companies but mostly reliable for older accelerators. Missing several newer accelerators

https://www.f6s.com/programs?type[]=accelerator&invest_in[]=227&sort=popular&sort_dir=desc - less extensive, but very up to date with 2016 accelerators.

http://gust.com/usa-canada-accelerator-report-2015/?utm_content=35401577&utm_medium=social&utm_source=twitter - Several top, new accelerators. Very realiable with a fairly extensive list.

https://bostonstartupsguide.com/guide/every-boston-startup-accelerator-incubator/ - Boston accelerators. Limited amount but very reliable.