Halloween
GreenXenith

Adds Halloween candy and costumes.

Christmas Decor
GreenXenith

Christmas-themed decor

Petards
IlzumiZeminori

Miscellaneous pyro things

Fai chun
1F616EMO

The traditional decoration in China

Christmas Tree
ExeterDad

Adds a decorated indoor Christmas tree with wrapped gifts.

Easter Eggs / Ostereier
Ineva

Adds various coloured eggs for Easter!

Pumpkinspice
GreenXenith

Adds pumpkinspice stuff.

Giftbox2
Wuzzy

Gift boxes that players can give to other who will then receive random items

Seasons Clock
solsword

API for getting various "season" parameters based on server time and a few customiable settings. Doesn't change gameplay; just a library that other mods can use to do seasonal things.

Christmas
Extex

Adds festive christmas items and nodes

Red Pockets
1F616EMO

Happy Chinese New Year! Give artificial red pockets to kids!

FireWorks Reimagined
DragonWrangler

A Fireworks integration and api designed for insane fireworks