Friends fill your virtual tree with gift messages that open on Christmas Day
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
TR
Pricing model
Open source
Freemium
Pricing
Not given
Free to create a tree and send messages; Pro one-time purchase $0.99–$3.99 depending on country (removes ads, adds world map placement, enables early message reading)
Key features
GitHub city visualization showing repos as buildings and districts
Living profile with daily journal, activity score and streaks
End-to-end encrypted private note sharing
AI agent and coding activity visualization
World map showing all members' cities and neighborhoods
Asks and offers with gravity rewards
Read-only GitHub integration with no code access
Self-hosted profile export to static site
Mobile support on iOS and Android
Cryptographic identity key stored locally in vault
Create virtual Christmas tree in under a minute
Share tree link via Instagram story, WhatsApp, or social media
Friends send 81 different types of gifts with messages
Messages stay sealed until opening day (Christmas, birthday, or Valentine's Day)
Word filter and message moderation for safety
Delete or block unwanted messages and senders
View who sent each message
Birthday and Valentine's tree variants with different designs
Pro features: remove ads, add tree to world map, read messages early
What makes it different
Free and open source with no telemetry
Visualizes GitHub activity as a living city that updates automatically
Privacy by default: nothing leaves your Obsidian vault unless you explicitly choose
Sign up with just GitHub, no installation required
Self-hosted option with open protocol
Messages stay sealed until the opening day for a surprise reveal instead of reading immediately
Three holiday types: Christmas, birthday, and Valentine's Day trees
Friends don't need an account - only share the link or 8-character code
Completely free to create and share trees; messages always free to send
Caldera
Deco My Tree