Disastrous news (from a betalogical point of view): only 5% of up and coming applications running on Ruby on Rails are released in beta.
The Red Ferret Journal today lists The 20 Coolest Ruby Apps you’ve never heard of – only one of them is in beta*:
oh, don’t forget
Open Web Letter
Scratch n Scribble
Seems like the philosophy of 37signals does have some impact on the beta strategies of the Rails community.