Apps similar to Collabora Office include LibreOffice, which is free and open source. Other options are ONLYOFFICE, Google Docs, Microsoft 365 Copilot and Google Sheets. You can choose from more than 10 Office Suites like Collabora Office for Linux, the web, Mac, Windows and Android.
Euro-Office is a self-hostable document server — documents, spreadsheets, presentations, and PDFs — designed to integrate with a platform such as Nextcloud.
Revise is an AI-powered word processor with visual revision history, built-in AI editing, and fast import/export for Word documents.
United States
A self-hosted office suite for viewing, editing, and collaborating on DOCX, XLSX, and PPTX files. It also enables LLMs and AI applications to generate, edit, and automate Office documents.
South Korea
Office suite that works locally in your web browser. You don't need to create account, everything remains on your device, nothing is sennt to the cloud.
Free, on-premise suite for your Synology NAS enabling secure real-time collaboration on docs, sheets, and slides. It offers full data ownership, unlimited versioning, and integrated AI.
Taiwan
Open-source self-hosted .docx editor with real-time co-editing. Ribbon toolbar, paginated WYSIWYG layout, tracked changes, comments, spell check, and find & replace. Upload a .docx, share a password-protected link, edit together — no accounts, no lock-in.
Open source office suite for users used to MS Office - multi-platform, tuned for performance.
France
EU
FranceEU
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.
China
LinOffice enables you to run Microsoft Office applications in Linux. In the background, it runs a virtual machine with Windows and Office installed which is then accessed via FreeRDP. LinOffice's aim is to be a "1-click" setup for Microsoft Office in Linux.
A tiny office suite where the link is the document. No accounts. Nothing is saved anywhere unless you choose to keep it on this device.
United States
AI-first, open-source office app for documents, spreadsheets, presentations, and PDFs—with desktop and browser editing, plus TypeScript and Go APIs.
India
