{"repo":"CasualOffice/sheets","free":true,"listed":false,"github":"https://github.com/CasualOffice/sheets","clone":"git clone https://github.com/CasualOffice/sheets.git","description":"Open-source self-hosted web spreadsheet with .xlsx round-trip and real-time co-editing — an alternative to Google Sheets, Excel Online, and OnlyOffice you run on your own server.","language":"TypeScript","stars":19,"topics":["excel","csv","collaboration","co-editing","docker","hocuspocus","ods","open-source","pivot-table","react"],"license":null,"category":"deployment-docker-iac","readme_excerpt":"Casual Sheets Open-source self-hosted web spreadsheet with .xlsx round-trip and real-time co-editing — an alternative to Google Sheets, Excel Online, and OnlyOffice you run on your own server. Live Demo →  ·  Docker Hub →  ·  Architecture →  ·  Embed / SDK →  ·  Comparisons → --- Casual Sheets is a self-hostable, browser-based spreadsheet that looks and behaves like Microsoft Excel — ribbon UI, formula bar, file-centric workflow — with real-time multi-user co-editing built in. Upload an .xlsx file, share a link, and edit together instantly. No accounts, no Microsoft / Google login, no lock-in — your data stays on your own server, in one Docker container. Who is this for? Teams that need a self-hosted spreadsheet editor embedded inside their own product — an intranet, file manager, LMS, CRM, or private cloud — without sending data to Google or Microsoft. Use it as a standalone app or embed the editor as an SDK. Maturity — 0.x : production-ready for small / self-hosted deployments; still evolving for enterprise-scale workloads. One box scales to thousands of concurrent editors (load-tested); see the CHANGELOG for what's stable. Compares to: Google Sheets · Excel Online · OnlyOffice Built on Univer OSS (Apache-2.0) — the OSS variant, never the Pro package — with a custom Office-style shell layered on top. Sister projects: Casual Editor ( .docx ) and Casual Slides ( .pptx ). --- ✨ What's Inside Core editor - Google-Docs-style title bar — lo","default_branch":null,"files":null,"tree":[],"storefront":"/r/CasualOffice","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/CasualOffice/sheets/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}