We're rebuilding and open-sourcing the world’s software from scratch.
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.
🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative
The Office Harness for AI Agents — Spreadsheets, Docs, Slides, Canvas, Relational Tables, and PDF in one runtime.
JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡
✨ AI Spreadsheet for Business
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
Grist is the evolution of spreadsheets.
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.
A terminal spreadsheet multitool for discovering and arranging data
Jspreadsheet is a lightweight JavaScript data grid component for creating interactive data grids with advanced spreadsheet controls.
Fast. Easy. Done. Processing spreadsheets without worrying about large files causing OOM.
Build databases, automations, apps & agents with AI — no code. Open source platform available on cloud and self-hosted. GDPR, HIPAA, SOC 2 compliant. Best Airtable alternative.
GridCraft: an open-source, clean-room spreadsheet (Microsoft Excel-style) in pure Rust. By ArtCraft.
sc-im - Spreadsheet Calculator Improvised -- An ncurses spreadsheet program for terminal
Open-source office suite pack that comprises all the tools you need to work with documents, spreadsheets, presentations, PDFs, and PDF forms on Windows, Linux, and macOS
An intuitive spreadsheet-like interface that lets users of all technical skill levels view, edit, query, and collaborate on Postgres data directly. 100% open source and self hosted, with native Postgres access control.
Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents
Excel MCP server: let AI (Claude, Cursor, Codex) create and edit Excel files with charts, PivotTables, slicers and formulas. No Excel required.
Main engine of the IronCalc ecosystem
VTable is not just a high-performance multidimensional data analysis table, but also a grid artist that creates art between rows and columns.
Lightweight, fast and native cross-platform processing tool for importing and exporting spreadsheet documents.
A single-file relational spreadsheet for you and your agent.
HyperFormula is an open-source headless spreadsheet for business web apps. It comes with over 400 formulas, CRUD operations, undo-redo, clipboard support, and sorting.
ONLYOFFICE Document Server is an online office suite comprising viewers and editors for texts, spreadsheets and presentations, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.
A pure Rust Excel/OpenDocument SpreadSheets file reader: rust on metal sheets
Zero-dependency spreadsheet engine. Read & write XLSX, CSV, ODS. Pure TypeScript, works everywhere.
A lightning fast JavaScript grid/spreadsheet
EPPlus-Excel spreadsheets for .NET
A fast terminal Excel viewer with an interactive TUI. Features full-text search, formula display, lazy loading for large files, clipboard support, and export to CSV/JSON. Built with Rust and ratatui.
SmoothCSV is a powerful and intuitive tool for editing CSV files.
Read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way
The collaborative spreadsheet for AI. Chain cells into powerful pipelines, experiment with prompts and models, and evaluate LLM responses in real-time. Work together seamlessly to build and iterate on AI applications.
OfficeDex is the first Al-Native VibeOfficing platform for documents, slides, and spreadsheets
GHOST - Global Human Operations & Surveillance Tracking: Open-source investigation management platform for tracking people, connections, and intelligence data. Because Excel spreadsheets are for accountants, not investigators. Non-commercial license.
jamovi - open software to bridge the gap between researcher and statistician
The Financial Industry Business Ontology (FIBO) defines the sets of things that are of interest in financial business applications and the ways that those things can relate to one another. In this way, FIBO can give meaning to any data (e.g., spreadsheets, relational databases, XML documents) that describe the business of finance.
Read excel files (.xls and .xlsx) into R 🖇
SpreadCheetah is a high-performance .NET library for generating spreadsheet (Microsoft Excel XLSX) files.
xlsx generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx excels at helping you generate beautiful Office Open XML Spreadsheet documents without having to understand the entire ECMA specification. Check out the README for some examples of how easy it is. Best of all, you can validate your xlsx file before serialization so you know for sure that anything generated is going to load on your client's machine.
A library for compiling excel spreadsheets to python code & visualizing them as a graph
Implementation and resources for Sheet as Token, a graph-enhanced framework for multi-sheet spreadsheet understanding and retrieval.
Gmail Processor is a Google Apps Script library that automates the processing of Gmail messages and attachments and execute actions (e.g. store attachments in a GDrive folder, log information in a spreadsheet) depending on matching criteria.
Give DeepSeek Harness a real office environment. Univer Office Plugin brings spreadsheets, docs, slides, canvases, relational tables, and more into one runtime — with connected data, validation, versioned changes, and isolated worktrees for multi-agent collaboration.
Desbordante is a high-performance data profiler that is capable of discovering many different patterns in data using various algorithms. It also allows to run data cleaning scenarios using these algorithms. Desbordante has a console version and an easy-to-use web application.
Python binding for Rust's library for reading excel and odf file - calamine.
A spreadsheet providing detailed information about private trackers
Doca|开源文档管理与知识库,支持多人协同编辑、在线文档、Markdown、表格、幻灯片、画布和 AI 助手。Self-hosted document management, knowledge base & real-time collaborative editing for individuals and small teams.
The spreadsheet framework built for agents — write the model as React, export a live .xlsx. The third medium, after open-slide and open-doc.
An experimental playground for open-source, all-in-one office AI for universities: code, docs, spreadsheets, slides, browser – all are the AI's workspace. Local-first, event-driven, auditable, with both TypeScript and Python implementations.
BeautifulGrid is a high-performance, feature-packed, and beautifully designed open-source React Data Grid for data-heavy business applications.
Download years of statements, receipts, pay stubs and tax forms from 60+ banks, cards, employers, stores and utilities as PDFs, then turn them into spreadsheets. You sign in, it only downloads and never pays a bill, moves money or changes a setting. Free, open source, no cloud. Windows, Mac, or PaperPull Server in Docker beside paperless-ngx.
Upload spreadsheets, ask questions via chat, and auto-generate chart reports. No coding required, gain instant insights and unlock data value effortlessly. |上传表格,像聊天一样提问,系统自动分析生成图表报告。无需编程,即时洞察,数据价值触手可及。
Claude Code skill: one topic in, one ranked YouTube research workbook out. Searches YouTube Data API v3, ranks by views, engagement, momentum or breakout, and writes Videos, Channels, Summary, Comments and Transcripts sheets with hooks and replay hotspots. Appends into an existing social ads sheet.
give your AI agent a spreadsheet it can actually think in: deterministic Excel-compatible math + structured memory (blocks), real .xlsx out. Open source, self-hostable.
Ein local-first, automatisiertes Excel-Haushaltsbuch basierend auf dem 6-Konten-Modell. Die perfekte Alternative für Entwickler, die volle Kontrolle über ihre Finanzen und Daten wollen.
A practical monitoring framework for lending models at small institutions: checks, small-sample thresholds, fair-lending review. Spreadsheet + Python.
Microsoft Excel is the desktop spreadsheet in Microsoft 365. The 2024 and 2021 builds are the ones used for reports, budgets, and lists. A workbook on one PC holds the sheets. Charts and extra sheets belong in the same workbook beside a table
A local Google Sheets MCP server built for agent workflows in Claude Code and Claude Desktop: write API, script and file output into sheets, combine spreadsheets, refresh them on a schedule, across multiple Google accounts. Undo and formula-error checks on every write.