Open Source Ruby Accounting Software

OpenSourceBilling or OSB is a simple, open source web application for creating and sending invoices, receiving payments, managing clients, and tracking and reporting. There’s no need to pay for these services because OSB does it all for free and easily. OSB can produce reports of sales, payments and collected revenues, and simply makes billing and invoicing hassle-free. OSB comes with plenty of built-in features, such as recurring invoices, exporting to PDF, time tracking, receiving payments through Paypal and credit card, Freshbooks and Quickbooks data importing and more. It also supports several different languages as well as currencies.

zena is a state-of-the-art CMS (content managment system) based on Ruby on Rails with a focus on usability, ease of customization and web 2.0 goodness (application like behaviour).

Manage small to medium size of hotels, holiday flats, guesthouse or rent-a-car. Online booking and visual availability is provided. Grouping of active members give communitys the ability to provide online booking service.

An account book software using Ruby/GTK.

inWai is a web-based invoice management app developed by Warp Networks S.L..

This is database backed web application for the management of investment clubs (a type of partnership.) The purpose is to do allow members of an investment club to manage members, monthly dues, voting, meeting minutes, track stock portfoltios and more.

This is a rental property management web app. At this point I'm writing it by myself for my mother, who is a rental property manager, but if it picks up steam great.