Showing 620 open source projects for "microsoft excel add-in"

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  • 1
    Essential Excel Add-In
    Essential Excel Add-In is a Microsoft Excel Add-In, written in VBA, that contains useful User Defined Functions (UDFs) and macros to performs a number of different tasks that either Excel does not provide (Regular Expressions (RegEx), improved VLookUp).
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    Downloads: 18 This Week
    Last Update:
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  • 2
    Spreadsheets-by-Microsoft-Excel

    Spreadsheets-by-Microsoft-Excel

    Spreadsheets By Excel Free Download

    ...Spreadsheets By Excel Spreadsheet editor & Viewer Microsoft Spreadsheets Free Download
    Downloads: 3 This Week
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  • 3
    Excel MCP Server

    Excel MCP Server

    A Model Context Protocol server for Excel file manipulation

    The Excel MCP Server is a Python-based implementation of the Model Context Protocol that provides Excel file manipulation capabilities without requiring Microsoft Excel installation. It enables workbook creation, data manipulation, formatting, and advanced Excel features.
    Downloads: 1 This Week
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  • 4
    Add to Calendar Button

    Add to Calendar Button

    The convenient JavaScript snippet to create buttons

    The convenient JavaScript snippet, which lets you reliably create beautiful buttons, where people can add events to their calendars. Welcome to the maybe most conveniant way working with Add to Calendar Buttons. Supporting all major calendars; in all modern browsers (Chrome, Edge, Firefox, Safari); on Windows, Mac, Android, and iOS as well as rather restricted webview environments like the Instagram in-app browser. For everybody, who wants to include a button at their website or app, which enables users to easily add a specific event to their calendars. ...
    Downloads: 1 This Week
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  • 5
    ClosedXML

    ClosedXML

    A .NET library for reading, manipulating and writing Excel

    ClosedXML is a .NET library for creating and manipulating Excel files without requiring Microsoft Excel, designed for easy integration and performance.
    Downloads: 1 This Week
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  • 6
    Office Agents

    Office Agents

    Agent plugins for Microsoft Office but BYOK for any model and provider

    Office Agents is a modular framework that brings AI-powered agents directly into Microsoft Office applications through add-ins equipped with integrated chat interfaces. It enables users to interact with large language models inside tools like Excel, Word, and PowerPoint, allowing real-time automation, content generation, and data manipulation within familiar productivity environments. The system is built as a monorepo with multiple packages, including a core SDK for agent runtime, a React-based chat interface, and specialized add-ins tailored to each Office application. ...
    Downloads: 2 This Week
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  • 7
    ImportExcel

    ImportExcel

    PowerShell module to import/export Excel spreadsheets, without Excel

    ImportExcel is a popular PowerShell module that enables reading, writing, and manipulating Excel spreadsheets without requiring Microsoft Excel to be installed on the host. It exposes straightforward cmdlets like Import-Excel and Export-Excel that convert between Excel sheets and PowerShell objects, making it simple to pipeline tabular data into reporting and automation flows. Advanced features include adding and formatting tables, setting number/date formats, creating charts, and applying styling or conditional formatting programmatically. ...
    Downloads: 4 This Week
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  • 8
    Authenticator

    Authenticator

    Authenticator generates 2-Step Verification codes in your browser

    Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts. Always keep a backup of your secrets in a safe location. Encrypting your secrets is strongly recommended, especially if you are logged into a Google account. Back up your secrets to a file, Google Drive, Microsoft OneDrive, or Dropbox. Sync your secrets with your Google Account.
    Downloads: 3 This Week
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  • 9
    Excelize

    Excelize

    Go language library for reading and writing Microsoft Excel

    Excelize is a library written in pure Go providing a set of functions that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files. With Excelize chart generation and management is as easy as a few lines of code. You can build charts based off data in your worksheet or generate charts without any data in your worksheet at all. Excelize provided streaming API for generating or reading data from a worksheet with huge amounts of data. Simply runs Excelize on macOS, Linux and...
    Downloads: 0 This Week
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  • 10
    XLSX

    XLSX

    Go (golang) library for reading and writing XLSX files

    xlsx is a library to simplify reading and writing the XML format used by recent version of Microsoft Excel in Go programs. Version 3.0.0 introduces some more breaking changes in the API. All methods that can return an `xlsx.File` struct now accept zero, one or many `xlsx.FileOption` functions as their final arguments. These can be used to modify the behavior of the resultant struct, in particular they replace the `…WithRowLimit` variants of those methods with the result of calling `xlsx.RowLimit` and they add the ability to define a custom backing store for the spreadsheet data to be held in whilst processing. ...
    Downloads: 3 This Week
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  • 11
    Visual Studio Code

    Visual Studio Code

    Modern IDE and code editor from Microsoft for Mac, Windows, and Linux

    Visual Studio Code combines the simplicity of a code editor with what developers need for their core edit-build-debug cycle. It provides comprehensive code editing, navigation, and understanding support along with lightweight debugging, a rich extensibility model, and lightweight integration with existing tools. Visual Studio Code is a distribution of the Code - OSS repository with Microsoft-specific customizations released under a traditional Microsoft product license. Visual Studio Code is...
    Downloads: 109 This Week
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  • 12
    uBlock Origin

    uBlock Origin

    An efficient blocker for Chromium and Firefox

    An efficient blocker add-on for various browsers. Fast, potent, and lean. uBlock Origin is not an "ad blocker", it is a wide-spectrum blocker, which happens to be able to function as a mere "ad blocker". The default behavior of uBlock Origin, when newly installed, is to block ads, trackers and malware sites through EasyList, EasyPrivacy, Peter Lowe’s ad/tracking/malware servers, Online Malicious URL Blocklist, and uBlock Origin's own filter lists. uBlock Origin (or uBlock₀) is not an ad...
    Downloads: 241 This Week
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  • 13
    alpha_vantage

    alpha_vantage

    A python wrapper for Alpha Vantage API for financial data.

    ...This module implements a python interface to the free API provided by Alpha Vantage. You can have a look at all the API calls available in their API documentation. For code-less access to the APIs, you may also consider the official Google Sheet Add-on or the Microsoft Excel Add-on by Alpha Vantage. To get data from the API, simply import the library and call the object with your API key. Next, get ready for some awesome, free, realtime finance data. Your API key may also be stored in the environment variable ALPHAVANTAGE_API_KEY. The library supports giving its results as json dictionaries (default), pandas dataframe (if installed) or csv, simply pass the parameter output_format='pandas' to change the format of the output for all the API calls in the given class.
    Downloads: 0 This Week
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  • 14
    Excel to Graphviz

    Excel to Graphviz

    Free Excel tool to easily create Graphviz data visualizations.

    The Excel to Graphviz Relationship Visualizer spreadsheet transforms your Excel data into professional Graphviz diagrams. Enter simple "A is related to B" rows to instantly generate polished relationship graphs using the Graphviz DOT language. Ideal for data analysis, network visualization, and IT architecture. Free, open-source, MIT-licensed. Customize the look of nodes, edges, and clusters with the Style Designer. Build a CSS-like gallery of reusable styles that lets you apply...
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    Downloads: 26 This Week
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  • 15
    diagrams.net

    diagrams.net

    Security-first diagramming for teams

    Bring your storage to our online tool, or go max privacy with the desktop app. Diagram files created in 2005 will load in the app today. Works with Google Drive and Google Workplace (G Suite). Use add-ons for Docs, Sheets and Slides. It works with OneDrive and Sharepoint. Office 365 app for Word, Powerpoint and Excel. Highest-rated Confluence app in the Atlassian Marketplace. Works in Jira too. Works with GitHub, GitLab and Dropbox for visual documentation in distributed teams. You can download diagrams.net Desktop for offline use on Windows, macOS, Linux and ChromeOS. ...
    Downloads: 157 This Week
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  • 16
    excelize

    excelize

    Golang library for reading and writing Microsoft Excel (XLSX) files

    Excelize is a library written in pure Go providing a set of functions that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files. Supports reading and writing spreadsheet documents generated by Microsoft Excel™ 2007 and later. Supports complex components by high compatibility, and provided streaming API for generating or reading data from a worksheet with huge amounts of data.
    Downloads: 0 This Week
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  • 17
    onedriver

    onedriver

    A native Linux filesystem for Microsoft OneDrive

    ...You can setup your phone to auto-upload photos to OneDrive and edit and view them on your Linux computer. You can switch between LibreOffice on your local computer and the Microsoft 365 online apps as needed when working. Want to migrate from Windows to Linux? Just throw all your Windows files into OneDrive, add your OneDrive account to Linux with onedriver, and call it a day.
    Downloads: 2 This Week
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  • 18
    drawio-desktop

    drawio-desktop

    Security-first diagramming for teams

    Security-first diagramming for teams. Bring your storage to our online tool, or go max privacy with the desktop app. Works with Google Drive and Google Workplace (G Suite). Use add-ons for Docs, Sheets and Slides. Works with OneDrive and Sharepoint. Office 365 app for Word, Powerpoint and Excel. Highest-rated Confluence app in the Atlassian Marketplace. Works in Jira too. Works with GitHub, GitLab and Dropbox for visual documentation in distributed teams. Download diagrams.net Desktop for offline use on Windows, macOS, Linux and ChromeOS. ...
    Downloads: 172 This Week
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  • 19
    OpenBB Terminal

    OpenBB Terminal

    Investment research for everyone, anywhere

    Fully written in python which is one of the most used programming languages due to its simplified syntax and shallow learning curve. It is the first time in history that users, regardless of their background, can so easily add features to an investment research platform. The MIT Open Source license allows any user to fork the project to either add features to the broader community or create their own customized terminal version. The terminal allows for users to import their own proprietary datasets to use on our econometric menu. In addition, users are allowed to export any type of data to any type of format whether that is raw data in Excel or an image in PNG. ...
    Downloads: 9 This Week
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  • 20
    Huxtable

    Huxtable

    An R package to create styled tables in multiple output formats

    Huxtable is an R package to create LaTeX and HTML tables, with a friendly, modern interface. Features include control over text styling, number format, background color, borders, padding, and alignment. Cells can span multiple rows and/or columns. Tables can be manipulated with standard R subsetting or dplyr functions.
    Downloads: 0 This Week
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  • 21
    Wiki.js

    Wiki.js

    A modern and powerful wiki app built on Node.js

    ...Whether it's on a tiny Raspberry Pi or on a high-performance VM in the cloud, Wiki.js intelligently makes use of the available resources. Built-in authentication with self-registration and password recovery capabilities. Use 3rd-party authentication services like Google, Facebook, Microsoft, GitHub, Discord, Slack and more. Add an extra layer of security using two-factor authentication for supported authentication modules.
    Downloads: 6 This Week
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  • 22
    Fluent UI Web

    Fluent UI Web

    Collection of utilities andcomponents for building web applications

    ...Build your own apps using the same open source components we do, with accessibility, internationalization, and performance included. From tutorials to a fun collection of API references, find what you need to design and develop your own Fluent experience. From Word and Excel to PowerBI and Teams, many Microsoft apps utilize Fluent UI functionality. Fluent UI's robust, up-to-date web controls are built with the React framework. Look through the control list to see the building blocks that are available using Fluent UI React. Fluent UI React is the official open-source React front-end framework designed to build experiences that fit seamlessly into a broad range of Microsoft products.
    Downloads: 0 This Week
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  • 23
    Windows Calculator

    Windows Calculator

    A simple yet powerful calculator that ships with Windows

    Calculator is the open source version of the Microsoft Windows Calculator application. It is a modern Windows app written in C++ and C#, offering standard, scientific, and programmer modes, unit/currency conversion, date calculations, and history/memory operations. It ships preinstalled with Windows and is actively developed on GitHub. Standard Calculator functionality, which offers basic operations and evaluates commands immediately as they are entered. Scientific Calculator functionality,...
    Downloads: 96 This Week
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  • 24
    Chromium

    Chromium

    The official GitHub mirror of the Chromium source

    Chromium is the open‑source foundational web browser project that drives browsers like Google Chrome, Microsoft Edge, and Opera—built for speed, stability, security, and extendability across platforms. This directory is currently in a prototyping state and may be removed in the future. As we add support for multiple coding IDE/agents, we will likely pull common prompts and instructions into a central directory with stubs for bespoke IDE/agent integration.
    Downloads: 112 This Week
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  • 25
    Toggl Track

    Toggl Track

    Toggl Track browser extension for Chrome and Firefox

    ...The Toggl Track browser extension integrates with 100+ popular tools. Toggl Track browser extension was previously called Toggl Button. Beyond the name and colors, no other changes have been made. Microsoft Edge has support for Chromium extensions, so you can use the Toggl Track browser extension on Microsoft Edge by downloading it from the Chrome Store. Once you install the add-on, a Toggl Track icon will be added to the right of the address bar. Click on the Toggl Track browser extension to reveal the timer’s dropdown. Here you can check your current time entry, change settings, sync, log out or stop your timer.
    Downloads: 1 This Week
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