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).
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.
ERIS is customizable, platform-independent and open source Point of sell (POS) system for Indian retailers.
Journey is a Free & Open Source Business Management application offering integrated Customer Relations Management, Accounting, and Document Management. The project has moved to https://www.journeybm.com/ and is now in beta status. Source code is available at https://github.com/josmar52789/journey
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.