The Yuletide exchange has given birth to many offshoots, including its own fandom, challenges within challenges, and non-fic exchanges. This page lists those offshoots and spin-offs.
“Every year each participant requests fics in 3-4 fandoms but are guaranteed only one request...New Year's Resolutions
“Over the years, Yuletide has spawned its own small fandom. There are a few participants every...Yuletide Fandom
“The Chromatic Yuletide Challenge is an offshoot of both Yuletide Exchange and Dark Agenda. Dark...Chromatic Yuletide Challenge