Options Strategy Analysis Tools  
   Free software tools for option price calculation using the Black-Scholes and binomial models, the analysis of trading strategies using payoff diagrams, and the graphical analysis of "Greeks".
   http://www.hoadley.net/options/options.htm

Rocky Point Options Analysis Software  
   Offers a free web-based browser for options analysis (Win32). Downloads freely-available quotes from the net, and displays data plus derived values (delta, gamma, and theta).
   http://www.rpsw.com/

ETS: Real Time Profit and Loss Calculator  
   Instant tracking for profit and loss calculator when making any type of investment that has continuing expenses and income.
   http://www.tennputers.net/ETS/index.html

Option Money Portfolio Software  
   Software designed for option traders to track their portfolio and option trades: financial reports, tax reports, account summary, and holding reports.
   http://www.optionmoney.com/

Robert's Online Financial Applications  
   A public domain collection of financial applications including derivatives and options calculator, and stock charts.
   http://www.intrepid.com/~robertl/

Aantix Options Report  
   Provides up to the minute probabilities of an option reaching its given strike price.
   http://www.aantix.com/

Arizona Financial Software  
   Write, analyze, and track the writing of covered call options.
   http://www.azfinsoft.com/

Easy Options ESPP Custom  
   Stock options and employee stock purchase management. Integrated options, ESPP, valuations, insider reporting, and task scheduling.
   http://www.ezCustomSoftware.com/

Essex Trading Company, Ltd.  
   Developers of the award-winning Option Pro and Futures Pro trading software.
   http://www.essextrading.com/

Midas Touch  
   Learn how options are priced: The key parameters, the significance of each, and the impact of changes. Also includes free option trading tips.
   http://www.mindxpansion.com/options/index.html

Option Crawler Software  
   Low cost option quoting and strategy building tools for windows.
   http://www.optioncrawler.com/

Option Insight  
   Free software that downloads option quotes and then shows all possible spreads. Sort by various criteria. Each spread also shows a profit-loss graph.
   http://www.optioninsight.com/

Option Internet Freeware  
   Options valuation and matrix, position chart and management, tutorial, and Internet links.
   http://www.aadsoft.com/optionsoftware/intro.htm

Option Wizard Online  
   MS Excel based option analytical software. An evaluation offer available.
   http://option-wizard.com/

OptionCity.net  
   Introduces OptionCity Calculator, an option pricing software capable of handling stochastic volatility and stock price jumps.
   http://www.optioncity.net/

OptionEdge  
   Simulate how a change in stock price, time left, and volatility can affect the profitability of your trade. Free demo available.
   http://www.oedge.com/

OptionMax  
   Option software which suggest different trading strategies. Also contains free calculators.
   http://www.optionmax.com/

Optionomics Corp  
   Premium risk management and option analysis suite comprised of many tools for a wide range of trading needs. Consulting and historical price data.
   http://www.optionomics.com/

Optionstar  
   Detailed analysis tools including black scholes, volatilities, greeks, price decay, and 1000+ spread generator. Free data.
   http://www.optionstar.com/

OptionVue Systems International Inc  
   Developers of OptionVue 5, a comprehensive options analysis and trading package designed for option traders of all experience levels. Also includes educational trading articles, seminars, books, and CDs.
   http://www.optionvue.com/

RealOptions Software, Inc.  
   Software, and training seminars for senior management and financial professionals in the use of real options.
   http://www.realoptions-software.com/

Savvysoft  
   Performance derivatives software. Infinitely customizable, handles all types of derivatives.
   http://www.savvysoft.com/

ATOM - Advanced Tool for Option Modelling  
   Provides derivative pricing and structuring information. Includes ATOM, an advanced free option pricing tool.
   http://www.atomproject.org/

Butler Creek Software, Inc.  
   Software for the covered call investor that downloads, filters, and sorts potential returns for covered call investments.
   http://www.optiongrid.com/

Market Pro Software  
   Tracks paper and real stock and option trades.
   http://www.trackprosoftware.com