The following notable startups have completed the Y Combinator Accelerator program.
Mike Isaac described Y Combinator as: "Y Combinator accepts batches of start-ups twice a year in a semester-like system and gives them money, advice and access to a vast network of start-up founders and technologists who can advise them."
2005−2006
2007–2008
2009−2010
2011
2012
2013
2014–2015
2016−2018
2019−2020
References
Sources
TechCrunch Article on YC Demo Day 1 for Summer 2015
TechCrunch Article on YC Demo Day 2 for Summer 2015
YCList.com
Here are the 63 Startups That Launched Today at Y Combinator's S18 Demo Day 1
All 59 Startups that Launched Today at Y Combinator's S18 Demo Day 2