Retail Auto Auction provides a complete network-based Point-of-Sale software solution for an auto auction company. The program currently interfaces with a MySQL database and it can be installed on any number of machines that act as clients and connect to the database. In addition to tracking buyers/consignors, vehicles, and sales, the program includes powerful and extensible reporting capabilities. For instance, reports on buyer participation, vehicle history, car lists, etc. are available and can be exported use with a spreadsheet. Contract printouts are generated for a dot matrix printer suitable for triplicate form printing. Retail Auto Auction is written in Python and Qt.
QuantLib is a cross-platform, quantitative finance C++ library for modeling, pricing, trading, and risk management in real-life. It is also wrapped as Python/Ruby/Scheme modules. Extensions for Excel, R, and Mathematica are available. Other such extensions are under consideration. QuantLib offers tools that are useful both for practical implementation and for advanced modeling. It features market conventions, yield curve models, solvers, PDEs, Monte Carlo (low-discrepancy included), exotic options, VAR, and so on.
Who's Paying for This? is a Python app for payment share calculation. It simplifies the task of figuring out what share of the grocery bills each of roommate is obligated to pay when some items are not used by all roommates. Just launch the script with each person's name as a command line argument and you'll get a GUI. Type in the name of the item on the receipt, the price of the item, check the boxes for the people who are paying for the given item, and click the button to add it to the list. The program keeps a running count, and lists the price paid for individual items.
Stoq is a software project aimed at creating a complete suite of applications for retail business management. It currently includes: a store front application to register sales; a manager with product, customers, system users, and suppliers catalogs, and reports of sales and stock; and an interface for client applications to print sales coupons. In the future, it will include all the tools needed for a complete retail business management suite, such as accounting and financial programs.
GNU Enterprise Reports is a platform and output-independent reporting system that reads an XML-based report definition and generates arbitrary XML output that can be further translated into any format for which there is an adapter. It has outputs for text, HTML, and CSV. Reports can output directly to a file, as an email attachment, to a printer, or to a HylaFax server.
The GNOME Structured File Library is a utility library for reading and writing structured file formats. Support for MS OLE2 streams is complete, as is zip import. There is also support for document metadata and some initial work on decompressing VBA streams in OLE files for future conversion to other languages. This library replaces libole2 and is used in gnumeric, mrproject, abiword, libwv2, koffice. It is also part of the AAF format.
Custom is an E-Commerce system providing Ordering and Invoicing, Stock, Supplier, and Catalogue Management. Easily customisable, it is written in Python for use as CGI scripts (under Apache or any other Web server) with a simple example site and example database. Custom is intended as a modern replacement for Sage.
PyKota is a full featured, internationalized, centralized, and extensible print quota system for CUPS. It supports PostgreSQL, OpenLDAP, MySQL, or SQLite as the quota database backend. This software features most of what you might expect from a modern print quota and accounting solution. Its flexibility and configurability greatly eases its integration into your own computing environment.