This web page is full of "Excel: Financial and stock market related products"-links. If you are interested in that category then you should read this page.
AnalyzerXL.com
Technical analysis software add-ins for Microsoft Excel. Stock quotes, free stock quotes, historical quotes.
Decision Support Services
Provides decision tree add-in, sensitivity add-in, and a risk simulation add-in useful for modeling decision problems involving uncertainty.
ESQuotes
Is an add-in that allows you to dynamically update stock prices without leaving your workbook. Directly updates stock prices from web to your spreadsheet cells. Quotes any valid ticker symbols including all NYSE, NASDAQ, OTC listed stocks and mutual funds
financial-models.com
An established modelling house based in the UK providing Excel corporate finance training worldwide, books, auditing add-ins and consultancy.
hoadley.net
Software for derivative traders and portfolio investors.
MBRM MB Risk Management
Universal Add-ins: Derivative software for pricing, risk management, trading, arbitrage, fund management and auditing (Convertibles, Bonds, Exotics, Options, Futures, Swaps). Download Free 30 Day Trial.
QuoteIN
Enables real-time streaming quotes on Excel
RealtimeStockquote.com
Provides real-time streaming stock quotes, investment tracking and customized streaming/intraday/historical charts from NASDAQ,AMEX,NYSE,TSX and TSX Venture exchange with a low monthly fee. For corporations who are looking for adding financial content to