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.
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.
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.
This software provides an easy way to register all your expenses allowing they to be categorized and displaying info and charts about where your money is being spend.
OpenBusiness is an open source client management and invoicing application written in Python using Django. The desired webserver is Apache with mod_python.
VentasPHP is a PHP based Point of Sale System. It's aimed to individuals, small and medium sized enterprises and bussiness who want a flexible, highly customizable and complete web based Inventory and Point of Sale system.
Truly open source fork of the popular Zen Cart shopping cart system complete with CVS access and open development.