RailsConf 2025
Your Invitation Is Not a Coincidence

Somewhere in Philadelphia
The hidden gem of RailsConf returns
If you’ve made it this far, you already know...
Ruby Underground returns—new secrets, new setting, same prolific spirit.
This time, we’re gathering beneath Philadelphia in a long-forgotten vault.
Request your invite to unlock the next clue.
Already have the password? You're ahead of the game.
With gratitude to our lead conspirator, Underdog,
and our trusted accomplices at Judoscale and Scout Monitoring.