Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Frozen Goodies - An advent calendar to get the chance to win daily prizes
Raft Calendar - A fun and beautiful calendar for couples and close friends
24 Ways - An advent calendar for web geeks
Gong - Gong uses AI to analyze spoken conversations from audio sources and web conferencing platforms such as Cisco WebEx, GoTo Meeting and Zoom.
25DaysOf - A customizable advent calendar, for everyone