git (private server)
Alternative: github
Cashboard Alternative: client system
2nd git repo
Alternative: Basecamp
Skype
Alternative: IRC, Campfire
Pivotal Tracker
Jenkins
Errbit
Alternative: Exception Notifier, Airbrake
Scout
Alternative: New Relic
Pingdom (though there are plenty of other good alternatives)
TBD Need to figure out whether we want a hosted solution such as Google Analytics, or a self-hosted solution such as Analog
Rails 3.1
PostgreSQL 9.x
Alternative: PostgreSQL 8.4
HAML
Alternative: ERB
None.
Alternative: Formtastic
Sass
Alternative: CSS
jQuery
tentative None, unless someone feels strongly about inherited resources or equivalent
None.
Alternative: Twitter Bootstrap
None. Alternative: Cucumber
Test::Unit
Alternative: Rspec
capybara and capybara-webkit
Alternative: akephalos
Shoulda, Mocha, tentatively Factory Girl (though we might choose another factory library), MockSMTP
Capistrano, with Rubaidhstrano and Superdeploy
Bundler
Rails 3 Asset Pipeline
Alternative: Jammit
Devise, CanCan, maybe OmniAuth
Alternative: Authlogic
Carrierwave
Alternative: Paperclip
Tentative: Hand-rolled code
Alternative: ActiveMerchant (need to check compatibility with current Braintree APIs)
Heroku
Alternative: RimuHosting, Rackspace
Heroku
Alternative: nginx + Passenger, Apache + Passenger
TBD
Chef
Alternative: Puppet
TBD
Braintree with transparent redirect
Alternatives: Authorize.net direct post, Stripe