OnlyOffice
Office suite with document, spreadsheet, and presentation editors.
The suite provides web‑based editors for text documents, spreadsheets, and presentations that are fully compatible with Microsoft Office file formats. Users can open, edit, and save files directly in a browser, and the same editors are available as desktop applications for offline work on PCs and mobile devices. It also includes a PDF editor, conversion tools for Markdown and HTML, and support for fillable PDF forms.
Collaboration features allow multiple participants to co‑edit at the character or paragraph level, track changes, add comments, and mention teammates. Integrated chat, audio‑video calling via Jitsi or Rainbow, and optional Telegram notifications facilitate real‑time discussion. Files can be shared for viewing, editing, reviewing, or form filling within the platform or embedded in other web applications.
The product incorporates AI assistants and smart agents that can generate content, translate, rewrite, check grammar, extract text from scanned PDFs, and connect to custom or locally hosted AI models for specialized tasks. It is offered as an open‑source, free‑tier solution aimed at organizations that need a secure, self‑hosted office environment.
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