HeyPuter / everything

We're rebuilding and open-sourcing the world’s software from scratch.

rohit267 / net-merge

Use all your network adapters at once on Windows/Linux/Mac: per-connection load balancing over Wi-Fi, Ethernet and phone/USB tethers (TUN + Wintun)

genspark-ai / genoffice

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.

storytold / gridcraft

GridCraft: an open-source, clean-room spreadsheet (Microsoft Excel-style) in pure Rust. By ArtCraft.

tytpaskanvdc / cross-exchange-arbitrage-bot-pc-desktop

🔥 cross-exchange-arbitrage-bot-pc-desktop 🔥

dream-num / univer

The Office Harness for AI Agents — Spreadsheets, Docs, Slides, Canvas, Relational Tables, and PDF in one runtime.

smartdoca / doca

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.

nocodb / nocodb

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

baserow / baserow

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.

saulpw / visidata

A terminal spreadsheet multitool for discovering and arranging data

dream-num / dsh-univer-office

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.

qwqzhanqwq / Godot-CSG-Blockout

Fast 3D level blockout & prototyping plugin for Godot 4. Features pie menu workflow, array/spreader tools, and one-click mesh baking.

ONLYOFFICE / DesktopEditors

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

teableio / teable

✨ AI Spreadsheet for Business

ONLYOFFICE / DocumentServer

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.

qax-os / excelize

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

gristlabs / grist-core

Grist is the evolution of spreadsheets.

haris-musa / excel-mcp-server

Excel MCP server: let AI (Claude, Cursor, Codex) create and edit Excel files with charts, PivotTables, slicers and formulas. No Excel required.

PHPOffice / PhpSpreadsheet

A pure PHP library for reading and writing spreadsheet files

trefeon / pi-freeflow

🌊 34 free curated AI models (up to 1M context) for Oh My Pi & Pi. Thin by design — model list, relay proxy, tool-call diagnostics — add your own relays to spread requests across more IPs.

handsontable / hyperformula

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 / Docker-DocumentServer

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.

elm1nst3r / GHOST-osint-crm

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.

edmcouncil / fibo

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.

handsontable / handsontable

JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡

apache / fesod

Fast. Easy. Done. Processing spreadsheets without worrying about large files causing OOM.

ironcalc / IronCalc

Main engine of the IronCalc ecosystem

jamovi / jamovi

jamovi - open software to bridge the gap between researcher and statistician

dimastbk / python-calamine

Python binding for Rust's library for reading excel and odf file - calamine.

andmarti1424 / sc-im

sc-im - Spreadsheet Calculator Improvised -- An ncurses spreadsheet program for terminal

unidoc / unioffice

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

tafia / calamine

A pure Rust Excel/OpenDocument SpreadSheets file reader: rust on metal sheets

AgriciDaniel / youtube-scout

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.

atc07 / sheets-mcp

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.

jspreadsheet / ce

Jspreadsheet is a lightweight JavaScript data grid component for creating interactive data grids with advanced spreadsheet controls.

mathesar-foundation / mathesar

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.

mini-software / MiniExcel

Lightweight, fast and native cross-platform processing tool for importing and exporting spreadsheet documents.

productdevbook / hucre

Zero-dependency spreadsheet engine. Read & write XLSX, CSV, ODS. Pure TypeScript, works everywhere.

6pac / SlickGrid

A lightning fast JavaScript grid/spreadsheet

bgreenwell / xleak

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.

openspout / openspout

Read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way

sveinungf / spreadcheetah

SpreadCheetah is a high-performance .NET library for generating spreadsheet (Microsoft Excel XLSX) files.

HDVinnie / Private-Trackers-Spreadsheet

A spreadsheet providing detailed information about private trackers

rheeloaded / paperpull

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.

MrXujiang / opne-aureka

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。

aptos-labs / aptos-core

Aptos is a layer 1 blockchain built to support the widespread use of blockchain through better technology and user experience.

jmcnamara / XlsxWriter

A Python module for creating Excel XLSX files.

roo-rb / roo

Roo provides an interface to spreadsheets of several sorts.

fineanmol / Hacktoberfest2026

Make your first Pull Request on Hacktoberfest 2026. Don't forget to spread love and if you like give us a ⭐️

EPPlusSoftware / EPPlus

EPPlus-Excel spreadsheets for .NET

kohii / smoothcsv3

SmoothCSV is a powerful and intuitive tool for editing CSV files.

BlitzKraft / saythanks.io

Spreading Thankfulness in Open Source.

EmbeddedLLM / JamAIBase

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.

fineanmol / hacktoberfest

Make your first Pull Request on Hacktoberfest 2025. Don't forget to spread love and if you like give us a ⭐️

Adamant-im / adamant-tradebot

Free self-hosted liquidity bot for token issuers who want to improve CEX market quality without sending tokens, funds, or API keys to a third-party market maker.

tidyverse / readxl

Read excel files (.xls and .xlsx) into R 🖇

caxlsx / caxlsx

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.

dgorissen / pycel

A library for compiling excel spreadsheets to python code & visualizing them as a graph

ahochsteger / gmail-processor

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.

Desbordante / desbordante-core

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.