Stock Volatility Calculator is a spreadsheet that downloads free historical stock data from the Yahoo! database and calculates the historical or realized volatility of the selected stock. The standard deviation of prices is plotted alongside the stock price chart. The user can freely change the stock used by entering the ticker symbol into the appropriate field and performing a fresh download. Users are also able to change the date range used for the stock data, the number of days back to use for the volatility calculation, and the number of volatility days to use.
Money Manager Ex is a cross-platform, easy-to-use personal finance program. It primarily helps organize one's finances and keeps track of where, when, and how the money goes. It is also a great tool to get a bird's eye view of your financial worth. It includes all the basic features that 90% of users would want to see in a personal finance application. The design goals are to concentrate on simplicity and user-friendliness; something one can use everyday. It is a complete rewrite of the original Money Manager .NET. It runs on Windows and Linux, and an experimental build is available for Mac OS X.
actiTIME is a Web-based time-tracking program with additional functionality for effective project management and accurate accounting. It allows you to enter time with comments, assign project teams, plan the time spent on each task, evaluate team performance, generate powerful reports, analyze project costs, bill customers, and more. actiTIME is free for small to mid-sized companies. It can be downloaded and installed on your own server or it can be hosted on a server provided by actiTIME's producers.