GitHub stars · StarDay

1SheetJS / sheetjs📗 SheetJS Spreadsheet Data Toolkit -- New home https://git.sheetjs.com/SheetJS/sheetjsApache-2.0 · Permissive36,343

2iOfficeAI / OfficeCLIA command-line tool for reading, editing, and automating Word, Excel, and PowerPoint files.C#Apache-2.0 · Permissive33,088

3dream-num / univerThe Office Harness for AI Agents — Spreadsheets, Docs, Slides, Canvas, Relational Tables, and PDF in one runtime.TypeScriptApache-2.0 · Permissive22,906

4handsontable / handsontableJavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡TypeScriptLicense not declared22,077

5qax-os / excelizeGo language library for reading and writing Microsoft ExcelTM (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheetsGoBSD-3-Clause · Permissive21,093

6ag-grid / ag-gridAuthor description: The best JavaScript Data Table for building Enterprise Applications. Supports React / Angular / Vue / Plain JavaScript.TypeScriptLicense not declared15,673

7myliang / x-spreadsheetThe project has been migrated to @wolf-table/table https://github.com/wolf-table/tableJavaScriptMIT · Permissive14,571

8PHPOffice / PhpSpreadsheetA pure PHP library for reading and writing spreadsheet filesPHPMIT · Permissive14,000

9gotenberg / gotenbergA developer-friendly API for converting many document formats into PDF files, and more!GoMIT · Permissive13,528

10OdysseusYuan / LKY_OfficeToolsOne-click automated tool for downloading, installing, and activating Office.C#GPL-3.0 · Share derivative source12,993

11genspark-ai / genofficeFree, open-source AI Office suite: Docs, Sheets, Slides, PDF, Markdown and HTML editors with a built-in AI agent, plus a `genoffice` CLI and agent skill so Claude Code, Codex and Cursor can create and edit real .docx/.xlsx/.pptx files locally. Bring your own key. macOS, Windows & Linux.TypeScriptApache-2.0 · Permissive11,816

12injetlee / PythonPython script. Simulate login to Zhihu, crawler, operate excel, WeChat public account, remote bootPythonLicense not declared10,903

13tabulapdf / tabulaTabula is a tool for liberating data tables trapped inside PDF filesCSSMIT · Permissive7,492

14jspreadsheet / ceJspreadsheet is a lightweight JavaScript data grid component for creating interactive data grids with advanced spreadsheet controls.JavaScriptMIT · Permissive7,241

15ONLYOFFICE / DocumentServerONLYOFFICE Docs is a free collaborative online office suite comprising viewers and editors for texts, spreadsheets and presentations, forms and PDF, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.ShellAGPL-3.0 · Share derivative source7,095

16apache / fesodFast. Easy. Done. Processing spreadsheets without worrying about large files causing OOM.JavaApache-2.0 · Permissive6,282

17nissl-lab / npoia .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.C#Apache-2.0 · Permissive6,208

18ldqk / Masuit.ToolsA C# universal tool library that is friendly to all ages, the code toast library includes some commonly used operation classes, mostly static classes, encryption and decryption, reflection operations, weighted random screening algorithms, distributed short IDs, expression trees, linq expansion, file compression, multi-threaded downloads, hardware information, string expansion methods, date and time expansion operations, Chinese lunar calendar, large file copy, image cropping, verification code, breakpoint resume, collection expansion, Excel export and other common packages. Many functions are integrated into one, and the code size is less than 2MB!C#MIT · Permissive6,196

19501351981 / vue-officeIt supports a collection of Vue components for previewing various types of office files such as word (.docx), excel (.xlsx, .xls), pdf, pptx, etc. It provides a one-stop office file preview solution, supports vue2 and 3, and also supports non-Vue frameworks such as React. Web-based pdf, excel, word, pptx preview libraryJavaScriptMIT · Permissive5,755

20ClosedXML / ClosedXMLClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXML API.C#MIT · Permissive5,752