TCLink is an LGPL'd thin client API which can run credit card transactions credit card transactions over TCP/IP. Features include: An easy-to-use interface; Encryption using SSL and trusted certificates; Fast transactions times (average about 1.2 secondse nd-to-end); and Fail-over to geographically distributed servers for extreme reliability. Full source code is included, as well as developer documentation and an example Python script.

viewportfolio is a python program that allows you to track the performance of a stock portfolio you establish in a data file. It pulls quote information from Yahoo! Finance and relies on the Quote.py python module written by Jonathan Corbet (included).