Open Source Ruby Financial Software

QuickFIX is the worlds first Open Source C++ FIX (Financial Information eXchange) engine, helping financial institutions easily integrate with each other. The SVN repository is now locked. Latest code is hosted at github. https://github.com/quickfix/quickfix

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.

A quantitative finance C++ library for modeling, pricing, trading, and risk management in real-life. A cross-platform free/open-source tool for derivatives and financial engineering.

This is a C library to check the validity of German and Austrian Bank Account Numbers. All currently defined test methods by Deutsche Bundesbank (Dec 2017: 00 to E4) are implemented. Modules for AWK, Perl, PHP, Python, Ruby, C#.net and VB.net are included too. The package includes also an IBAN converter to generate (german) IBANs and BICs from account data. All currently defined IBAN rules by Deutsche Bundesbank are implemented (Dec 2017: 57 rules) and tested against independent solutions.

An Excel addin and server framework for implementing remote excel user-defined functions (UDFs). This framework is designed to provide a centralised warehouse of functions for Excel users (eg. within an organisation).

Coupa e-Procurement is a requisition and purchase order system with best-in-class usability. Built to manage employee purchasing, it includes catalog management, shopping cart buying, approvals, purchase orders and more. Built in Ruby on Rails.

AUSten -, for using time dollars and other alternative currencies. An online system for managing alternative currencies. This is good for time banks, time dollars and local exchange trade systems (LETS). Developers are members of Austin Time Exchange

alice_invoice provides a simple ruby interface for downloading invoices and corresponding digital signatures from German ISP Alice.

This project will use rails to implement an auction-based exchange system. It is targeted for use with bots on online-RPGs, but the software will be usable in auctioning any items of standardized quality.

A robust internet café administration toolkit. A very simple GUI to manage various systems running different operating systems. The main scripting language is Ruby using GTK for its GUI.

Dividing Bills is a Ruby on Rails project that allows to divide bills easily by creating users groups and receipts, to keep a searchable history of all bills, and to keep track of everything by email or RSS feed.

Web-based business accounting software, written using the ruby on rails framework, primary designed for italian laws and regulations

Grism allows you to easily track the evolution of stock prices through watchlists, portfolios and charts. You can observe stocks, ETFs, indices and mutual funds from every major stock market in the world.

Hoster is a solid software aimed at the management of a small web hosting company. Hoster provides full administration of client accounts, domain customization, invoice and receipt printing and everything needed to run a small web hosting business.

Billing system solution. Library for credit card/ACH processing, recurring billing and subscription management for member and donor centered organizations. Provides a way for POS / retail / recurring credit card and bank account processing.

The Marketcetera Trading Platform is a comprehensive open-source software infrastructure for algorithmic trading, that is a true alternative to expensive, monolithic proprietary systems or brittle software mashups.

Web based donation collection web-application, shows summary and more detailed donation information. Simple "contest" can be done.

OnMyMeans is a budget application built using Rhomobile's Rhodes mobile application development framework.

Track and manage your stock portfolio of Euronext shares in realtime (15' delay). Assess your stock positions (price, daychange, gain, gain%, value, weight%) with one command. Easy portfolio description in a text file. Twin project of QuotesViewer.

The Risk-o-Mat will provide the user with a web based overview of her or his risk position. helping small/medium sized businesses to valuate their risks, and manage preventive and reactive measures. The main focus is on the german situation.

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 open source point-of-sale (POS) appliaction, running on ruby-on-rails / MYSQL under linux. Features a till, product management, stock control, ordering, customer accounts and invoicing, per-user security and banking. Front-end is any web browser.

YASW is inactive and deprecated in favor of Grism: http://www.grism.org

Rails web application for automating donations transactions.

Creation of nice and graphical enhanced budget reports from a gnucash datafile