Aspose.Cells for SharePoint is a flexible solution for converting Excel documents into multiple document formats within Microsoft SharePoint applications. It lets you easily convert documents right from the SharePoint document library into popular formats like XLS, XLSX, CSV, HTML, ODS, PDF, XML, and TXT without using MS Excel for document generation. It is designed to be used with Windows SharePoint Services 3.0 (WSS) and MS Office SharePoint Server 2007 (MOSS) standard and enterprise editions.
Calligra is an integrated suite of applications that cover office, creative, and management needs. It offers applications on both desktop computers and mobile platforms like tablets and smartphones. OpenDocument Format (ODF) is used, making it compatible with OpenOffice.org, LibreOffice, and Microsoft Office. Calligra Suite contains the following applications: Calligra Words (word processor), Sheets (spreadsheets), Stage (presentations), Flow (diagrams and flowcharts), Kexi (visual database creator), Braindump (note taking), Plan (project management), Krita (drawing), and Karbon (vector graphics).
Mariner Calc is a powerful, yet streamlined spreadsheet software solution. It starts very quickly, and consumes very little disk space and memory. It supports many international scripts, supports spreadsheets that are up to 32,000 rows by 32,000 columns, and includes graphics and drawing tools.
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.