ecma-376

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

Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents

XSD (XML Schema Definition) parser and Go/C/Java/Rust/TypeScript code generator

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

Excelize is a Python port of Go Excelize library that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files.

Docs reference for the Excelize spreadsheet library, and support for the book "Excelize: The Definitive Guide", Chinese (Simplified) 1st Edition

Go Language Microsoft Excel™ Number Format Parser

Interactive OOXML (ECMA-376) reference explained by people who actually implemented it

A lightweight, 100% pure-Dart package to detect and decrypt password-protected Microsoft Office Excel (.xlsx) and OOXML files.

MCP server and agent skill giving AI agents offline, structured access to the ECMA-376 (Office Open XML) schema

Bring your own PowerPoint template - get spec-clean slides back. An MCP server that creates, validates, audits, and repairs .pptx files against the OOXML/ECMA-376 spec. Local, no API keys.

PowerPoint engine written from scratch in Rust: reads .pptx and legacy .ppt, extracts text, notes, tables, charts and images, renders Markdown, verifies against ECMA-376, creates decks. CLI and Python bindings.

Convert Excel workbooks to standalone R packages with CSV data and base R code that rebuilds formulas without Excel at runtime

Microsoft Office document encryption per MS-OFFCRYPTO: detect, decrypt and encrypt, with key material that zeroizes on drop