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SheetJS

Organization

Public GitHub footprint of SheetJS

@SheetJS
View profile on GitHub

Truly Open Source Data Tools and Miscellany

United States of America

43

Public repositories

40,286

Total stars

264

Followers

SheetJS is an organization on GitHub specializing in open source data tools. Their public repositories include a wide range of projects primarily using JavaScript, HTML, and TypeScript. Notable repositories include the SheetJS Spreadsheet Data Toolkit and js-word, which provide essential functionalities for spreadsheet and document processing.

Top languages

JavaScript 21HTML 5TypeScript 5Python 4Rich Text Format 1Java 1Go 1

Public repositories

sheetjs

36,267

📗 SheetJS Spreadsheet Data Toolkit -- New home https://git.sheetjs.com/SheetJS/sheetjs

Unknown Language
Updated Jun 13, 2026

js-word

1,320

:black_nib: Word Processing Document Library

Rich Text Format
Updated Jun 7, 2026

j

359

:x: Multi-format spreadsheet CLI (now merged in http://github.com/sheetjs/js-xlsx )

JavaScript
Updated May 14, 2026

js-crc32

350

:cyclone: JS standard CRC-32 and CRC32C implementation

Python
Updated May 15, 2026

SheetJS.github.io

262

:goberserk: SheetJS Spreadsheet Parser/Writer tests and demos

HTML
Updated Apr 14, 2026

printj

204

:scroll: sprintf for JS

JavaScript
Updated Nov 8, 2025

test_files

164

:books: SheetJS Test Files (XLS/XLSX/XLSB and other spreadsheet formats)

HTML
Updated Jul 19, 2024

ssf

162

:memo: Spreadsheet Number Formatter

JavaScript
Updated Oct 13, 2025

js-codepage

153

:currency_exchange: Codepages for JS

JavaScript
Updated Apr 28, 2026

js-adler32

142

:ballot_box_with_check: ADLER-32 checksum

Python
Updated Jan 2, 2026

js-ppt

107

Pure JS PowerPoint 97-2003 (PPT) Parser

JavaScript
Updated Jan 23, 2026

k

86

:x: Spreadsheet Differ

JavaScript
Updated Feb 22, 2024

js-cfb

78

:floppy_disk: OLE File Container Format

JavaScript
Updated Mar 5, 2026

frac

72

:heavy_division_sign: rational approximation with bounded denominator

JavaScript
Updated May 1, 2024

sgds

70

Simple REST Server that emulates Google Docs interface using your Excel files (currently read-only)

JavaScript
Updated Apr 14, 2026

js-harb

55

:x: Host of Archaic Representations of Books (now merged in http://github.com/sheetjs/js-xlsx )

JavaScript
Updated Jan 28, 2023

jxls

53

Snapshot for test files. https://github.com/jxlsteam/jxls is the current repo for the project

Java
Updated Apr 22, 2026

sheetaki

52

:symbols: Spreadsheet CSV conversion microservice

HTML
Updated Mar 30, 2025

enron_xls

41

Spreadsheets from the Enron Corpus

JavaScript
Updated Jun 11, 2026

pb

37

:clipboard: Access HTML and other pasteboards from JS and command line

JavaScript
Updated Jan 11, 2025

bessel

36

Bessel Functions in JS

JavaScript
Updated Jun 8, 2026

sheets

24

generate pretty ascii tables from XLS/XLSX/XLSB/XLSM/XML workbooks

JavaScript
Updated Sep 10, 2024

wk

22

:mag: Preview spreadsheets in your terminal!

TypeScript
Updated Dec 5, 2025

voc

21

:construction_worker: A Literate Programming Framework for JS and compile-to-JS languages.

JavaScript
Updated Apr 16, 2025

maths

19

Collection of Math Functions for NodeJS

JavaScript
Updated Jan 11, 2025

bz2

18

bzip2 for JavaScript

JavaScript
Updated Jul 18, 2025

js-wmf

17

Windows MetaFile (wmf) processor

TypeScript
Updated Jul 4, 2025

py-xls

16

PyPI xls module

Python
Updated Nov 9, 2022

sheet.js.org

15

sheet.js.org

Unknown Language
Updated Oct 7, 2022

js-vdc

13

:headphones: van der Corput low-discrepancy sequences

HTML
Updated Aug 2, 2023

node-exit-on-epipe

9

:boom: Cleanly exit on pipe errors

JavaScript
Updated Jan 28, 2023

cfb-editor

9

:briefcase: ZIP/CFB/MIME Archive Editor

JavaScript
Updated Jun 8, 2022

notes

7

Various file format notes

TypeScript
Updated May 10, 2025

docs.sheetjs.com

7

SheetJS Community Edition Docs repo

HTML
Updated Aug 9, 2024

rooster

7

🐓 File filter for version control systems.

Go
Updated Jun 15, 2021

libreoffice_test-files

4

Mirror of LO Test Files (see https://bugs.freedesktop.org/show_bug.cgi?id=85756)

Python
Updated Jun 10, 2024

js-funzip

4

`funzip` for nodejs

TypeScript
Updated Jun 15, 2021

flat-sheet

2

demo for https://docs.sheetjs.com/docs/demos/hosting/github

TypeScript
Updated Mar 15, 2023

sheetjs-npm-placeholder

1

Placeholder for the `sheetjs` package on npm

Unknown Language
Updated Jan 28, 2023

test_files_pres

1

Presentation Test Files

Unknown Language
Updated Sep 1, 2014

uglify

0

Repo for npm @sheetjs/uglify-js

JavaScript
Updated Jan 28, 2023

nodeno

0

Repro for "Deno 2x-20x slower than node in processing data"

JavaScript
Updated Mar 22, 2022

duktape

0

Duktape - embeddable Javascript engine with a focus on portability and compact footprint

Unknown Language
Updated Sep 7, 2021

Frequently asked questions

What does SheetJS build on GitHub?

SheetJS develops tools for data manipulation and processing on GitHub. Their notable projects include the SheetJS Spreadsheet Data Toolkit, js-word for document handling, and libraries for various data formats like Rich Text Format and Java.

Which programming languages does SheetJS use?

SheetJS primarily uses JavaScript, HTML, TypeScript, and Python in their repositories. They also have projects utilizing Rich Text Format and Java, showcasing their versatility in handling different data types.

Are SheetJS's repositories public?

Yes, all of SheetJS's repositories are public on GitHub. This transparency allows users to inspect, contribute to, and utilize their various open source data tools, enhancing collaboration within the developer community.

Is this exposure intended?

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