Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets

Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.

Easily type math in your webapp

HyperFormula is an open-source headless spreadsheet for business web apps. It comes with over 400 formulas, CRUD operations, undo-redo, clipboard support, and sorting.

Fast and powerful .NET spreadsheet component, support data format, freeze, outline, formula calculation, chart, script execution and etc. Compatible with Excel 2007 (.xlsx) format and working on .NET 3.5 (or client profile), WPF and Android platform.

Renders TeXy Math for Github Readmes

math and logic formula parser and evaluator

Javascript Library parsing Excel Formulas and more

A collection of .NET libraries for rendering mathematical formulae using the LaTeX typesetting style, for the WPF and Avalonia XAML-based frameworks

pySMT: A library for SMT formulae manipulation and solving

Parse and evaluate MS Excel formula in javascript.

Jace.NET is a calculation engine for the .NET platform.

LaTeX. in C#. (ported from the wonderful iosMath project).

A collection of methods for solving Finance/Accounting equations, implemented in C#.

An open-source web-based OS and no-code PaaS to boost productivity.

A WebAssembly build of the Go Excelize library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets

jQuery Calx - a jQuery plugin for creating formula-based calculation form

aJLaTeXMath Library - Displays LaTeX commands in android OS.

微信公众号公式编辑插件

Node UDP client for Formula 1 game telemetry parsing.