ElectricCheckBook – http://electriccheckbook.com
RailsRumble07 – http://vote.railsrumble.com

Its flexible double-entry ledgers can be shared within a group enabling remote partners, your accountant and spouse can share access to the appropriate accounts without emailing files back and forth.

Mint is obviously a bit more mature, but ours was designed, developed and launched in 48 hours. It has already replaced Quickbooks for our small distributed team and handles our accounting, project budgeting, and contractor timesheets. We’ll continue to add features that we need to manage our personal and business finances.