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

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

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.

Python powered spreadsheets

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.

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.

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

Grist is the evolution of spreadsheets.

A WebAssembly build of the Go Excelize library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets

Showing Grist spreadsheets on a static website, without a special backend.

Data ingestion service for the Agent Landing Zone. Processes PDFs, images, spreadsheets, transcripts and SharePoint content into grounding knowledge for agents, with smart chunking and multimodal embeddings.

obsidian spreadsheets solutions

Are you still tracking jobs in spreadsheets? Connect your Gmail inbox and automatically see your job search in a dashboard, no copy-pasting required.

OfficeDex is the first Al-Native VibeOfficing platform for documents, slides, and spreadsheets

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.