SQLForce makes Python a powerful scripting language for manipulating a Salesforce database.
Most importantly, SQLForce will save you a lot of time by replacing complicated data import/export operations (using DataLoader or an Excel connector) with short scripts.
Here's a short example: Normalize all versions of Contact.MailingCountry to use 'USA'.
countryNames = ['US', 'U.S.', 'United States', 'America', 'United States of America']
session.runCommands("UPDATE Contact SET MailingCountry='USA' WHERE MailingCountry IN ('" + "','".join(countryNames) + "')" )