HBCI4Java is a Java library for the HBCI home banking interface. It supports almost all aspect of the HBCI versions 2.01, 2.1, 2.2, HBCI+ and FinTS-3.0 (with PIN/TAN support). Its API is very application-oriented, so no knowledge about HBCI is required. The HBCI client package can be used to develop applications using HBCI features. The HBCI server package can be used to develop your own HBCI servers. This may be useful for credit institutes or software developers who want to setup their own HBCI test server.
Fisterra is a GNOME development framework for implementing business management applications or ad hoc ERPs. Fisterra 2 is comprised of fisterra-base, a mature GNOME development framework, and fisterra-distribution, a vertical solution for the retail sector, with a beta POS (Point-Of-Sale). Its CORBA middleware allows the integration of Fisterra based applications with any other free or private systems.
PyLETS_CGI is a simple Web-based accounting database intended for mutual credit systems, including LETSystems, time-dollar systems, community barter networks, and babysitting circles. It is suitable for low transaction volumes, where file locking is considered adequate to provide concurrent file access and the cost or continuous memory loading involved in using a relational database is considered a disadvantage. The administrator is able to add accounts and input transactions. Users are optionally able to make payments out of their own accounts into other accounts within the network, check their own and other users' account balances, and view their own trading statements.
sysXs is a control panel solution for enterprise use. It automates administration, accounting, and billing of Internet services using a Web-based interface suitable for any browser. It can be used on a wide variety of platforms. By implementing a flexible user management that includes customer self care functionality, it's not restricted to the classic vendor/reseller/customer scheme.
Naina is a library to handle Secure Electronic Transactions (SET) protocol messages. It was shown to serve a well-known SET Wallet. It includes the source, protocol messages and wallet screenshots captured while testing, and a full certificates hierarchy generated for this test. The SET protocol was introduced for credit card payments in 1996. This protocol features electronic signatures for major messages, including merchant's offer and the order to buy. Please note that this protocol is not actively deployed since around 2003.