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.
Barcode Writer in Pure Postscript implements the printing of many barcode formats entirely within PostScript, so that the process of converting the input string into the printed output is performed by the printer or print system. The project supports all major barcode formats including: EAN-13 (JAN-13), EAN-8 (JAN-8), UPC-A, UPC-E, EAN-5 & EAN-2 (EAN/UPC add-ons), ISBN (including legacy ISBN), ISMN (including legacy ISMN), ISSN, Code 128 (A, B & C), GS1-128, SSCC-18 (EAN-18, NVE), EAN-14, Code 39, Code 39 Extended, Code 93, Code 93 Extended, Code 32 (Italian Pharmacode), Pharmazentralnummer (PZN), Interleaved 2 of 5, ITF-14 (UPC SCS), GS1 DataBar (Omnidirectional, Stacked, Stacked Omnidirectional, Limited, Expanded, Expanded Stacked), Code 2 of 5 (Industrial, IATA, Matrix, Datalogic & COOP), Code 11 (USD-8), BC412, Codabar (NW-7), Pharmacode (including two-track), MSI, Plessey, Telepen, Channel Code, PosiCode, PDF417, Data Matrix (ECC200), QR Code (including Micro QR Code), and more.
The Information Currency Web Services distribution provides an interface to create tradable economic instruments from submitted information. Information currency enables the cooperative mechanisms of "economic calculation" to be directly applied to the management of that information.
Sequoia Open Source ERP is an ERP suite that offers e-commerce, point of sales, inventory, warehouse, manufacturing, customer service, and content management applications. It is written in Java, can be deployed on Linux/Unix and Windows, and is compatible with MySQL, PostgreSQL, Oracle, Microsoft SQL Server, and most other major relational databases.