ONLYOFFICE/DocumentServer

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

Free open source office suite with business productivity tools: document and project management, CRM, mail aggregator.

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.

Perform common file preview and editing via the web.

💻☁📦 The Nextcloud VM (virtual machine appliance), Home/SME Server and scripts for RPi (4-5). Community developed and maintained.

Web Office: Local-First & Private. Professional-grade Word, Excel, and PowerPoint editing powered by WebAssembly. Zero data uploads, 100% client-side for uncompromising privacy. 🛡️ 纯本地浏览器 Office，数据零上传，隐私安全。⚡️ Wasm 採用、ローカル完結で究極のプライバシー。🚀 Полная приватность: Wasm-офис без загрузки данных.