📗 SheetJS Spreadsheet Data Toolkit -- New home https://git.sheetjs.com/SheetJS/sheetjs
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The Office Harness for AI Agents — Spreadsheets, Docs, Slides, Canvas, Relational Tables, and PDF in one runtime.
Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets
A pure PHP library for reading and writing spreadsheet files
Free, 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.
ONLYOFFICE 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.
Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents
A Python module for creating Excel XLSX files.
A C library for creating Excel XLSX files.
Spreadsheet Architect is a library that allows you to create XLSX, ODS, or CSV spreadsheets super easily from ActiveRecord relations, plain Ruby objects, or tabular data.
Read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way
Fast and reliable way to work with Microsoft Excel™ [xlsx] files in Golang
Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.
A Java library (Jackson extension) for reading and writing Excel spreadsheets (XLSX/XLS) as POJOs.