The following list is not complete! Please contact Jed with any changes, additions, comments.
(If you're part of a seed accelerator, contact Jed to be added as an editor for the list of startups from your accelerator.)
Thanks to Robert Shedd for maintaining his list of seed accelerators! It was very useful in putting together this spreadsheet. Also, the Global Accelerator Network (founded by TechStars / David Cohen) has the list of accelerators associated with their program.