Open Source C++ Spreadsheet Software

Technical analysis library with indicators like ADX, MACD, RSI, Stochastic and TRIX, plus candlestick pattern recognition. Docs: https://ta-lib.org Available natively in C/C++, Java, Rust and C# with wrappers for python, R and many other ecosystems. MOVED TO GITHUB: https://github.com/TA-Lib/ta-lib . No further support is provided on SourceForge. Release 0.4.0 is very outdated, please check github for the most recent release.

TreeSheets is a free, open-source data organization application that combines the flexibility of spreadsheets, outliners, mind maps, and text editors. It uses hierarchical grids that allow information to be nested within individual cells. Users can organize complex ideas, projects, tasks, and structured information without maintaining separate documents. Its interface supports rapid navigation and editing through keyboard shortcuts. TreeSheets provides flexible cell formatting, expandable structures, and multiple levels of detail within a single document. It is suitable for brainstorming, project planning, requirements gathering, and personal knowledge management. Available for Windows, macOS, and Linux, it offers a lightweight alternative to conventional spreadsheets and hierarchical note-taking tools.

A multiplatform C++ library for dynamic generation of Excel .xls files containing multiple worksheets. Unlike .csv files, these can be directly opened by Excel and thus provide an excellent way to output large data sets that require further analysis. To see the latest changes, select "Files" and view the README text displayed at the bottom of that pane. IMPORTANT: Major changes are contained in the current SVN source. If you have time please try to use it or the xlslib-package-2.4.0b1.zip archive, and enter bug reports on any problems! Changes: - library specific strings now in their own namespace - iOS Objective-C library - most project files updated (MSVS etc) - C bridge now supports formulas Note: there is a related SF project, libxls, to read Excel files.

XonGrid is a free Excel library of functions to perform 1D, 2D, 3D, 4D and arbitrary dimension (ND) interpolations from scattered data.

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

The alternative fast realization of built-in spreadsheet of 1S:Enterprise system (v7.7). Features: improved user interface, correct support of large documents, fast and correct bi-directional Excel converter, multifunctional report builder.

This application converts standard CSV files to Markdown and/or Docbook tables.

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 simple, extendable spreadsheet program and api written in lua

Framework for development of MS Excel add-ins that allow user defined functions that return more than a single value (e.g. to return table data with a single function call)

Proyecto de soporte a la versión en Español de OpenOffice.org y sus herramientas relacionadas. Entre ellas el diccionario de sinónimos LGPL (tesauro) y el separador silábico LGPL (hyphenation).

QExcel Converter SQL QT4, Import xml excel/openoffice 2003 format, sqlite3 sql text/binary, edit table and export to various Format, Pdf XSL format objects Apache fop JAVA(XSL-FO), XML/XSLT , excel, SQL text sqlite3 dump file and MYSQL SQL to XML/XSL.

QuantLibXL - an Excel addin for the QuantLib analytics library

SimpleSheet is a simple spreadsheet. This software is written by C++ and it's using QT for the GUI.

Spreadsheets is a lightweight, extensible spreadsheet application designed for efficient data management, editing, and automation. It provides a familiar spreadsheet workflow while introducing programmable functionality through integration with LumenLang, allowing users to automate tasks and create custom spreadsheet logic using scripts. The project focuses on performance, simplicity, and extensibility, featuring a custom scripting environment, formula support, and a flexible architecture designed for future improvements. By combining traditional spreadsheet functionality with programming capabilities, Spreadsheets aims to bridge the gap between everyday data organization and software automation. Built as part of the Lumen ecosystem, Spreadsheets serves as a practical demonstration of LumenLang integration and showcases how programmable tools can enhance productivity beyond standard spreadsheet applications. Available on Arch Linux Install: yay -S simple-spreadsheets

Sum-It is spreadsheet application for the BeOS. It was orignally developed by Maarten Hekkelman (www.hekkelman.com) and later released as Free Software. An initial release was made from Maarten's source, but development has ceased.

Popular text file editor for the eBookMan. This project space is also home to a few of my other small projects. March 2012: TapWrite has been ported to the samsung bada platform. See: http://www.samsungapps.com/topApps/topAppsDetail.as?productId=G00004901692

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).

XLW is a C++ wrapper for the Excel C API described in the Microsoft Excel 97 Developer's Kit. It makes xll programming automatic. Its powerful interface will empower your C, C# or C++ numerics by embedding them in Excel just like the built-in functions.

Concalc is a console spreadsheet program for windows written in dev-c++ (mingw) what has all the most common features, all files are available and fully working from the moment when this project was created on SourceForge, includes FAQ.

mtCellEdit is a lightweight spreadsheet program that is designed to handle simple day to day tasks. I have put the most important facilities I want into a small customized program which means I can avoid the problems of larger programs such as slow operating speeds and overcomplicated user interfaces.

scii - Spreadsheet Calculator II - A fork of sc