Open Source Spreadsheet Software

Technical analysis library with indicators like ADX, MACD, RSI, Stochastic, TRIX... includes also candlestick pattern recognition. Useful for trading application developpers using either Excel, .NET, Mono, Java, Perl or C/C++.

PhpSpreadsheet is a library written in pure PHP and offers a set of classes that allow you to read and write various spreadsheet file formats such as Excel and LibreOffice Calc. PhpSpreadsheet is a library written in pure PHP and offers a set of classes that allow you to read and write various spreadsheet file formats such as Excel and LibreOffice Calc. Support for PHP versions will only be maintained for a period of six months beyond the end of life of that PHP version. Use composer to install PhpSpreadsheet into your project. Or also download the documentation and samples if you plan to use them. A good way to get started is to run some of the samples. Don't forget to download them via --prefer-source composer flag. And then serve them via PHP built-in webserver. PhpSpreadsheet relies on Composer autoloader. So before working with PhpSpreadsheet in standalone, be sure to run composer install.

Full, scoped and component-friendly CSS support for JSX (rendered on the server or the client). Code and docs are for v3 which we highly recommend you to try. Looking for styled-jsx v2? Switch to the v2 branch. Blazing fast and optimized CSS rules injection system based on the CSSOM APIs. Full CSS support, no tradeoffs in power. Runtime size of just 3kb (gzipped, from 12kb). Complete isolation: Selectors, animations, keyframes. Built-in CSS vendor prefixing. Very fast, minimal and efficient transpilation. High-performance runtime-CSS-injection when not server-rendering. Future-proof, equivalent to server-renderable "Shadow CSS". Source maps support. Dynamic styles and themes support. CSS Preprocessing via Plugins. To skip scoping entirely, you can make the global-ness of your styles explicit by adding global. To make a component's visual representation customizable from the outside world there are three options.

This library represents XLSX files writer for Microsoft Excel 2007 and above. The main feature of this library is that it uses C++ standard file streams. On the one hand it results in almost unnoticeable memory and CPU resources consumption while processing (that may be very useful at saving a large data arrays), but on the other hand it makes unfeasible to edit data that were written. Hence, if using this library the structure of the future report should be known enough. The library is written in C++ with using STL functionality and based on the ZIP library (included), which has a free license: http://www.codeproject.com/Articles/7530/Zip-Utils-clean-elegant-simple-C-Win32 This library is distributed under the terms of the zlib license: http://www.zlib.net/zlib_license.html

Jspreadsheet CE is a lightweight Vanilla JavaScript data grid plugin to create amazing web-based interactive HTML tables, and spreadsheets compatible data grid with other spreadsheet software. You can create an online spreadsheet table from a JS array, JSON, CSV or XSLX files. You can copy from excel and paste straight to your Jspreadsheet CE spreadsheet and vice versa. It is very easy to integrate any third party JavaScript plugins to create your own custom columns, custom editors, and customize any feature into your application. Jspreadsheet CE has plenty of different input options through its native column types to cover the most common web-based application requirements. It is a complete solution for web data management. Create amazing applications with Jspreadsheet CE JavaScript spreadsheet.

Bean Sheet is an interpreted Java spreadsheet. At its core is Bean Shell, an open source Java interpreter. The potential of marrying a Java interpreter with a spreadsheet allows a single document to be a powerful application in its own right.

An OpenSource Javascript Spreadsheet project based on Qooxdoo javascript framework. This component is also a part of X4View Java Framework (see www.reasonsphere.com)

The csvdatamix project aims to randomize CSV input data files in order to conceal the original state of the data. Similar to data masking or data transformation. Also has mapping abilities to translate back to the original state of the data.

CppExcel is an unmanaged, stand-alone, platform-independent C++ library for reading and writing native Microsoft Excel 2007 XLSX and 97-2003 XLS files, without Excel needing to be installed. CppExcel is based on the PHPExcel library.

A tool to query arrays in memory using SQL. It groups the arrays in tables and returns arrays as result set. It can be used in spreadsheets, as a script language library and everywhere is needed an interactive tool to query data in memory.

This program converts, compares, merges, normalizes, and refactors data to and from disparate sources (CSV, Excel, and any JDBC/ODBC database) for use in a Java program.

OO-Widgets is a Java Swing project that makes the JTable and other components much easier to use. This library differs from other Swing libraries in that it displays any set of pre-existing objects or JavaBeans.

OpenL Tablets is a business rules management system based on tables presented in Excel documents. Providing business-oriented approach, OpenL Tablets treats business documents containing business logic specifications as executable rules. In a very simplified view, OpenL Tablets extracts rule tables from Excel documents and executes them. The rules can be accessible from different applications. OpenL Tablets tools check all data, syntax and type errors in order to avoid any user mistakes. OpenL Tablets WebStudio is a web interface application employed by business users and rules experts to view, edit, and manage business rules and rule projects created using OpenL Tablets technology.

The Oracle ExcelDocumentType project provides an open source Oracle PL/SQL user defined type and utilities designed to generate fully functional Microsoft Excel spreadsheets from within the database. The code generates Excel XML data.

PHPEditTable is a class which mimics a simple spreadsheet behaviour. It handles cell formatting as well as math expressions based on cells' addresses parsing. Works with complicated formulas, setting properties on cell/row/column/range/sheet level.

Excel workbook that calculates return on investment (ROI) for estimated costs and benefits of automating software testing.

An Excel addin and server framework for implementing remote excel user-defined functions (UDFs). This framework is designed to provide a centralised warehouse of functions for Excel users (eg. within an organisation).

ZK Spreadsheet is an open source embeddable web-based online spreadsheet that delivers the rich functionality of Excel within browsers using pure Java. (Moved to http://code.google.com/p/zkspreadsheet/ since ZK Spreadsheet 2.0)