npm86Excellenthealth index
dream-num/univerUniver is a full-stack framework for creating and editing spreadsheets / word processor / presentation on both web and server.
TypeScript★ 13.8K↓ 555.2K/moJul 18, 2026
docling-project/doclingGet your documents ready for gen AI
Python★ 63.1K↓ 7.4M/moJul 13, 2026
ds4sd/doclingGet your documents ready for gen AI
Python★ 63.4KJul 17, 2026
Packagist76Goodhealth index
openspout/openspout Read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way
PHP★ 1,193↓ 4.6M/moJul 15, 2026
qax-os/excelizeGo language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets
Go★ 20.8KJul 21, 2026
opendatalab/MinerUTransforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.
Python★ 74.4K↓ 344K/moJul 13, 2026
Packagist72Goodhealth index
rap2hpoutre/fast-excel🦉 Fast Excel import/export for Laravel
PHP★ 2,317↓ 695.4K/moJul 14, 2026
mini-software/MiniExcelLightweight, fast and simple cross-platform .NET processing tool for importing and exporting spreadsheet documents
C#★ 3,506Jul 18, 2026
PyPI · crates.io70Goodhealth index
dimastbk/python-calaminePython binding for Rust's library for reading excel and odf file - calamine.
Rust · Python★ 477↓ 5.5M/moJul 18, 2026
crates.io · Go · npm +169Moderatehealth index
yfedoseev/office_oxideThe fastest Office document library for Python, Rust, Go, JS/TS, C# and WASM. DOCX, XLSX, PPTX, DOC, XLS, PPT. Up to 100× faster than python-docx/openpyxl/python-pptx. 100% pass rate on valid Office files. MIT/Apache-2.0.
Rust★ 68↓ 71K/moJul 13, 2026
Packagist · PyPI67Moderatehealth index
aVadim483/fast-excel-writerLightweight and very fast XLSX Excel Spreadsheet Writer in PHP. Supports full XLSX-file functionality - cell formatting, formulas, styles, charts, etc.
PHP★ 306↓ 75.4K/moJul 18, 2026
npm67Moderatehealth index
borgar/xlsx-convertUtility to convert Excel XLSX files to JSON
TypeScript★ 3↓ 50.5K/moJul 22, 2026
NuGet67Moderatehealth index
xuri/excelize-csExcelize is a C# port of Go Excelize library that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files.
C#★ 14Jul 22, 2026
npm66Moderatehealth index
chrisryugj/kordoc모두 파싱해버리겠다 — HWP3·HWP·HWPX·HWPML·PDF·XLS·XLSX·DOCX → Markdown. 신구대조·양식 자동 채우기·MCP 통합 (CLI + MCP Server) | Parse Korean documents (HWP3-5, HWPX, HWPML, PDF, Office) to Markdown — CLI + MCP Server with form-filler & diff
TypeScript★ 1,422↓ 39.2K/moJul 13, 2026
npm63Moderatehealth index
iofficeai/officecliOfficeCLI is the first and best Office suite purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office installation required.
C#★ 18.8K↓ 6,642/moJul 17, 2026
npm · crates.io63Moderatehealth index
yukiyokotani/office-open-xml-viewerA browser-based viewer for Office Open XML documents that renders to an HTML Canvas element.
TypeScript · Rust★ 609↓ 18.1K/moJul 15, 2026
crates.io62Moderatehealth index
MathNya/umya-spreadsheetA pure rust library for reading and writing spreadsheet files
Rust★ 463↓ 91.5K/moJul 13, 2026
npm62Moderatehealth index
documonster/documonsterZero-dependency TypeScript toolkit for Excel, Word, PDF, CSV, Markdown, XML & ZIP — one API across Node.js, Bun & browsers.
TypeScript★ 84↓ 2,756/moJul 15, 2026
npm62Moderatehealth index
flyfish-dev/file-viewerBrowser-native Office / PDF / CAD / archive viewer for internal web apps, with Vue, React, Svelte, jQuery, Web Components, and no server-side conversion.
TypeScript · JavaScript★ 1,552Jul 17, 2026
crates.io62Moderatehealth index
iyulab/undocHigh-performance Rust library for extracting content from DOCX, XLSX, and PPTX into Markdown, plain text, or JSON with CJK support and .NET/Python bindings.
Rust★ 29↓ 2,204/moJul 14, 2026
Go · npm62Moderatehealth index
officecli/officedexOfficeDex is the first Al-Native VibeOfficing platform for documents, slides, and spreadsheets
Go · JavaScript★ 751Jul 22, 2026
Packagist62Moderatehealth index
turgutahmet/kolay-xlsx-streamStream millions of rows to XLSX with O(1) memory and direct S3 multipart upload. Laravel-friendly. PHPSpreadsheet alternative for large exports.
PHP★ 45↓ 2,944/moJul 17, 2026
npm61Moderatehealth index
cesarandreslopez/occDocument metrics, structure extraction, and code exploration for real repositories
TypeScript★ 6↓ 2,263/moJul 14, 2026
PyPI61Moderatehealth index
jmcnamara/XlsxWriterA Python module for creating Excel XLSX files.
Python★ 3,958Jul 17, 2026
npm61Moderatehealth index
senoff/xlsx-for-aiMCP server + CLI giving AI agents 50 spreadsheet tools for .xlsx — live-recalc formulas (~390 Excel functions), repair broken references & external links, read/write, diff, and audit. Works in Claude Code, Cursor, Codex, and any MCP client.
JavaScript★ 4↓ 1,370/moJul 17, 2026
Hex59Moderatehealth index
fltoss/spreadsheetElixir library for reading spreadsheets
Elixir · Rust★ 33↓ 4,869/moJul 17, 2026
npm59Moderatehealth index
matbeedotcom/libreoffice-document-converterWASM build of a minimal headless / library which is intended to support document conversion on web and server.
TypeScript · JavaScript★ 26↓ 62.8K/moJul 17, 2026
npm · crates.io58Moderatehealth index
fundamental-research-labs/mogProgrammable spreadsheet platform with a TypeScript/Rust engine, SDK, and embeddable workbook runtime.
TypeScript · Rust★ 61↓ 16.2K/moJul 17, 2026
Packagist58Moderatehealth index
lekoala/baresheetFast, zero-dependency CSV, XLSX and ODS reader/writer for PHP
PHP★ 0↓ 2,168/moJul 14, 2026
npm57Moderatehealth index
CoderLambert/filevistaReact file viewer for PDF, DOCX, PPTX, XLSX, EPUB, Markdown, code and media—20+ formats, rendered entirely in the browser.
TypeScript · CSS★ 1↓ 2,746/moJul 21, 2026