GnuCash Portable is the open source financial management software packaged as a portable app, so you can take your financial data with you. It has all the same great features as most commercial money management programs and more. Plus, it leaves no personal information behind on the machine you run it on, so you can take your finances along with you wherever you go.
Feature Highlights

    * QIF/OFX/HBCI Import, Transaction Matching
    * Reports, Graphs
    * Scheduled Transactions
    * Financial Calculations
    * Double-Entry Accounting
    * Stock/Bond/Mutual Fund Accounts
    * Small-Business Accounting
    * Customers, Vendors, Jobs,
      Invoices, A/P, A/R

How to extract:

Download the PortableApps.com Installer and extract to a folder of your choice. Launch GnuCashPortable.exe.

System Requirements: WinXP / Vista / Win7

Download: