Ross ROSS = Recommend OSS · open-source software intelligence for agents

domain: spreadsheets

87 products, primary matches first, then adoption-weighted; health v2 shown.

ProductHealth v2StarsMaturity
handsontable/handsontable
Handsontable is a JavaScript data grid component with a spreadsheet-like look and feel, supporting plain JavaScript, TypeScript, React, Ang…
9222027stable
qax-os/excelize
Excelize is a pure Go library for reading and writing Microsoft Excel spreadsheet files (XLAM, XLSM, XLSX, XLTM, XLTX). It supports charts,…
8820869stable
exceljs/exceljs
ExcelJS is a Node.js library for reading, manipulating, and writing Excel XLSX workbooks and JSON, including styles, streaming, and CSV sup…
2415449active
PhpSpreadsheet
PhpSpreadsheet is a pure PHP library providing classes to read and write spreadsheet files in formats such as Excel (.xlsx, .xls), LibreOff…
9313980stable
SpartnerNL/Laravel-Excel
Laravel Excel (maatwebsite/excel) is a Laravel package providing an elegant wrapper around PhpSpreadsheet for exporting and importing Excel…
9912705stable
wireservice/csvkit
csvkit is a suite of Python-based command-line tools for converting to and working with CSV files. It includes utilities like csvcut, csvst…
756409stable
nissl-lab/npoi
NPOI is a .NET library, a port of Apache POI, that reads and writes Office file formats (xls, xlsx, docx) without requiring Microsoft Offic…
836191active
apache/fesod
Apache Fesod (Incubating) is a high-performance, memory-efficient Java library for reading and writing spreadsheet files such as xlsx, xls,…
806175active
andmarti1424/sc-im
sc-im is an ncurses-based spreadsheet calculator for the terminal with vim-like keybindings, based on the classic sc. It supports undo/redo…
675690active
ClosedXML/ClosedXML
ClosedXML is a .NET library for reading, manipulating, and writing Excel 2007+ (.xlsx, .xlsm) files. It provides an intuitive, user-friendl…
875686active
unidoc/unioffice
UniOffice is a pure Go library for creating, reading, and editing Office Open XML documents: Word (.docx), Excel (.xlsx), and PowerPoint (.…
934929active
jazzband/tablib
Tablib is a Python library for working with format-agnostic tabular datasets. It lets you build, filter, and convert tabular data across fo…
854756stable
ExcelDataReader/ExcelDataReader
A lightweight and fast C# library for reading Microsoft Excel files (.xlsx, .xlsb, .xls) and CSV files. It provides a low-level reader inte…
814409stable
adaltas/node-csv
A mature monorepo of Node.js and browser packages (csv-generate, csv-parse, stream-transform, csv-stringify) for generating, parsing, trans…
754283stable
haris-musa/excel-mcp-server
A Model Context Protocol (MCP) server that lets AI agents create, read, and modify Excel workbooks without Microsoft Excel installed. It su…
704143active
ironcalc/IronCalc
IronCalc is an open-source spreadsheet engine written in Rust with xlsx import/export, usable headlessly or embedded via Rust, Python, Java…
934123active
jmcnamara/XlsxWriter
XlsxWriter is a Python module for writing files in the Excel 2007+ XLSX format. It supports text, numbers, formulas, charts, formatting, im…
753968stable
Happy-Coding-Clans/vue-easytable
A powerful Vue 2.x data table component library that can be used as a data grid, Microsoft Excel, or Google Sheets alternative. It supports…
233799active
ruilisi/fortune-sheet
FortuneSheet is a drop-in JavaScript/TypeScript spreadsheet library for React that provides Excel- and Google Sheets-like features out of t…
653708active
mini-software/MiniExcel
MiniExcel is a lightweight .NET library (with a Rust variant) for reading and writing Excel XLSX and CSV files using row-by-row streaming t…
993523active
myliang/x-spreadsheet
x-spreadsheet is a web-based JavaScript spreadsheet component rendered on canvas, supporting editing, styling, data validation, and xlsx im…
2314585maintenance
xlwings/xlwings
xlwings is a BSD-licensed Python library that lets you call Python from Excel and automate Excel from Python, replacing VBA macros with Pyt…
993396active
mgcrea/node-xlsx
A Node.js library for parsing and building Excel (xlsx/xls) files, built as a convenient wrapper around SheetJS. It offers a simple API to …
233039stable
roo-rb/roo
Roo is a Ruby library that provides read access to common spreadsheet formats including xlsx, xlsm, ods, and CSV, with extensions for xls a…
462875stable
handsontable/hyperformula
HyperFormula is an open-source headless spreadsheet engine written in TypeScript that parses and evaluates Excel-compatible spreadsheet for…
942771active
dfinke/ImportExcel
A PowerShell module for importing and exporting Excel spreadsheets without requiring Excel to be installed. It supports creating tables, pi…
672733active
tafia/calamine
calamine is a pure Rust library for reading and deserializing Excel (xls, xlsx, xlsm, xlsb, xla, xlam) and OpenDocument spreadsheet (ods) f…
982407stable
viest/php-ext-xlswriter
A high-performance PHP C extension for reading and writing Excel 2007+ XLSX files, with a fixed-memory mode that keeps memory usage constan…
972372stable
rap2hpoutre/fast-excel
A Laravel package for fast, memory-efficient import and export of Excel (xlsx, ods) and CSV files, built on top of Spout. It converts Eloqu…
982321active
maaslalani/sheets
Sheets is a terminal-based spreadsheet application written in Go that lets you view, edit, and query CSV files with a vim-style TUI. It sup…
722298active
apache/poi
Apache POI is a Java library for reading and writing Microsoft Office documents in both OLE2 binary formats (XLS, DOC, PPT) and Office Open…
772264stable
productdevbook/hucre
hucre is a zero-dependency spreadsheet engine written in pure TypeScript that reads and writes XLSX, CSV, ODS, JSON, NDJSON, and XML with s…
802098active
EPPlusSoftware/EPPlus
EPPlus is a .NET library for creating, reading, and modifying Office Open XML Excel workbooks (xlsx/xlsm) entirely in managed code, with a …
992032active
nick-keller/react-datasheet-grid
A React component library for building Excel/Airtable-like spreadsheet grids with keyboard navigation, copy/paste, and virtualized renderin…
642026active
burnash/gspread
A Python client library for the Google Sheets API v4, providing a simple interface to open, read, write, format, and share spreadsheets. It…
737503maintenance
shuchkin/simplexlsx
A lightweight PHP library for parsing and retrieving data from Excel XLSX (MS Excel 2007) files with no external extension requirements. It…
761829active
troldal/OpenXLSX
OpenXLSX is a C++17 library for reading, writing, creating, and modifying Microsoft Excel .xlsx files. It is built with CMake and integrate…
791778active
dilshod/xlsx2csv
A fast Python command-line tool that converts Microsoft Excel XLSX files to CSV format, including support for very large files. It can be i…
671776stable
jmcnamara/libxlsxwriter
libxlsxwriter is an ANSI C library for creating Excel 2007+ XLSX files with text, numbers, formulas, hyperlinks, charts, images, and full f…
751754stable
silevis/reactgrid
ReactGrid is an open-source React component that adds spreadsheet-like display and editing of tabular data to React applications. It suppor…
371658active
liaochong/myexcel
MyExcel is a Java toolkit for importing, exporting, and encrypting Excel files (.xls, .xlsx, .csv) built on top of Apache POI. It uses HTML…
231649active
iddan/react-spreadsheet
A simple, customizable, and performant spreadsheet component library for React. It provides a straightforward API for rendering editable gr…
471595active
QtExcel/QXlsx
QXlsx is a C++ library for reading and writing Excel (*.xlsx) files, built on the Qt framework. It is the maintained successor to the disco…
961514active
nadbm/react-datasheet
A React component library that renders an Excel-like editable data grid with keyboard navigation, copy/paste, and custom cell renderers. It…
235446maintenance
jmaister/excellentexport
ExcellentExport.js is a client-side JavaScript library that exports HTML tables to Excel (XLSX) or CSV files directly in the browser, with …
851475active
bgreenwell/xleak
xleak is a fast terminal-based Excel and spreadsheet viewer built in Rust with ratatui, offering an interactive TUI with full-text search, …
781470active
spatie/simple-excel
A PHP library for reading and writing simple Excel (xlsx) and CSV files with a fluent API. It uses generators and LazyCollections to keep m…
861368active
x2bool/xlite
XLite is a SQLite extension written in Rust that exposes Excel (.xlsx, .xls) and Open Document (.ods) spreadsheets as SQLite virtual tables…
271304active
kohii/smoothcsv3
SmoothCSV is a cross-platform desktop CSV editor with a spreadsheet-like grid UI, built with Tauri. It offers SQL querying, filtering, sort…
891295active
pyexcel/pyexcel
pyexcel is a Python library providing a single unified API for reading, manipulating, and writing tabular data across spreadsheet formats i…
841291active
taviso/123elf
A native Linux port of Lotus 1-2-3 Release 3, rebuilt from the original UNIX binaries to run directly in the terminal via ncurses. It prese…
631285active
openspout/openspout
OpenSpout is a community-maintained PHP library for reading and writing spreadsheet files in CSV, XLSX, and ODS formats. It processes very …
1001230active
shuchkin/simplexlsxgen
A lightweight PHP library for generating Excel XLSX files from PHP arrays with no external dependencies. It supports data types, formatting…
681109active
negokaz/excel-mcp-server
A Model Context Protocol (MCP) server that lets LLM clients read and write Microsoft Excel files (xlsx, xlsm, xltx, xltm). It exposes tools…
361016active
nhn/tui.grid
TOAST UI Grid is a powerful JavaScript data grid component for displaying, editing, adding, and deleting tabular data, with support for tre…
232563maintenance
python-excel/xlrd
xlrd is a Python library for reading data and formatting information from legacy Excel .xls files. It no longer supports .xlsx or other new…
742206maintenance
VBA-tools/VBA-JSON
A VBA module providing JSON parsing and conversion for Excel, Access, and other Office applications on Windows and Mac. It converts JSON st…
232137maintenance
dotnetcore/NPOI
NPOI is a .NET library for reading and writing Microsoft Office binary (BIFF) and OOXML file formats such as Excel and Word documents. It i…
101950maintenance
Cleveroad/AdaptiveTableLayout
An Android library by Cleveroad for reading, editing, and writing CSV files with an adaptive table layout view. It supports fixed headers, …
321895maintenance
mk-j/PHP_XLSXWriter
A lightweight PHP library for writing Excel-compatible XLSX (Office 2007+) spreadsheets with minimal memory usage. It supports multiple wor…
231867maintenance
tfussell/xlnt
xlnt is a modern C++11+ library for reading, writing, and manipulating XLSX spreadsheet files in memory, following the ECMA-376 standard. I…
231651maintenance
unvell/ReoGrid
ReoGrid is an open-source .NET spreadsheet component (MIT Community Edition, V3) that embeds an Excel-like grid into WinForms and WPF appli…
641598maintenance
chrispsn/mesh
Mesh is a spreadsheet-style UI wrapped around a JavaScript code editor, where grid actions are translated into code changes and vice versa.…
321558maintenance
jakob/TableTool
Table Tool is a simple native macOS application for creating, editing, and converting CSV files. It automatically detects CSV format specif…
231381maintenance
natergj/excel4node
A Node.js library for programmatically creating native Excel (.xlsx) files with formatting, styles, and multiple worksheets. The original r…
101363maintenance
dbzhang800/QtXlsxWriter
QtXlsx is a C++ library for Qt5 that reads, writes, and edits Excel .xlsx files without requiring Microsoft Excel. It works on any platform…
321333maintenance
denisraslov/react-spreadsheet-grid
An Excel-like spreadsheet grid component for React with custom cell editors, performant scrolling, and resizable columns. It supports keybo…
231175maintenance
MarcosMeli/FileHelpers
FileHelpers is a free, MIT-licensed .NET library for reading and writing strongly typed records from fixed-length or delimited flat files, …
231153maintenance
zdavatz/spreadsheet
A Ruby library for reading, writing, and modifying Microsoft Excel (XLS) spreadsheet documents. It is a rewrite of the Spreadsheet::Excel a…
671150maintenance
dtjohnson/xlsx-populate
A JavaScript library for parsing and generating Excel XLSX files, usable in both Node.js and the browser. It preserves existing workbook fe…
231003maintenance
dream-num/Luckysheet
Luckysheet is an open-source JavaScript library for embedding an Excel-like online spreadsheet in web applications, built on canvas renderi…
1016645abandoned
box/spout
Spout is a PHP library for reading and writing spreadsheet files (CSV, XLSX, ODS) using a streaming approach that keeps memory usage under …
104230abandoned
JanKallman/EPPlus
EPPlus is a .NET library for reading and writing Excel xlsx files using the Office Open XML format, with no dependencies or Excel interop r…
103777abandoned
jsoma/tabletop
Tabletop.js is a zero-dependency JavaScript library that fetches data from published Google Spreadsheets and exposes it as JSON. The projec…
103768abandoned
randym/axlsx
Axlsx is a Ruby library for generating Office Open XML (xlsx) spreadsheet documents with charts, images, styled cells, and schema validatio…
322626abandoned
sutoiku/formula.js
A JavaScript library implementing most Microsoft Excel formula functions for use in browsers and Node.js. This repository is deprecated; de…
322155abandoned
bradjasper/ImportJSON
A Google Apps Script library that adds ImportJSON functions to Google Sheets, letting users import JSON from any URL directly into spreadsh…
102131abandoned
paulyoder/LinqToExcel
A .NET library that lets developers query Excel spreadsheets and CSV files using LINQ syntax, mapping worksheet rows to strongly-typed obje…
321058abandoned
python-excel/xlwt
xlwt is a pure Python library for creating spreadsheet files compatible with MS Excel 95-2003 (.xls) format, supporting data, formatting, s…
101044abandoned
dream-num/univer
Univer is a full-stack, isomorphic TypeScript SDK for building embeddable office applications - spreadsheets, documents, and presentations …
9214215active
jspreadsheet/ce
Jspreadsheet CE is a lightweight, MIT-licensed JavaScript library for embedding Excel-like interactive data grids and spreadsheet controls …
577220active
aidlearning/AidLearning-FrameWork
AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling…
705797active
plutext/docx4j
docx4j is an open-source (Apache v2) Java library for creating, editing, and saving Microsoft OpenXML packages, including Word docx, PowerP…
772380active
weijunext/smart-excel-ai
SmartExcel is a web application that generates Excel formulas from natural-language descriptions using the ChatGPT API with streaming respo…
401651active
CoderWanFeng/python-office
python-office is a Python office-automation library that wraps PDF, Word, Excel, PPT, image, video, email, WeChat, and OCR operations behin…
671344active
gimite/google-drive-ruby
A Ruby library for reading and writing files and spreadsheets in Google Drive and Google Docs. It wraps the Google Drive API with a simple …
321776maintenance
react-csv/react-csv
A React component library providing CSVLink and CSVDownload components to generate and download CSV files on the fly from arrays, objects, …
231184maintenance

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