Thinkfree Office

Thinkfree Office is a self-hosted web office suite for organizations seeking an alternative to ONLYOFFICE Docs and Collabora Online, or a replacement for Microsoft Office Online Server ahead of its end of support in December 2026. It enables teams to create, view, edit, and collaborate on DOCX, XLSX, and PPTX files directly in a web browser, with full support for ODF alongside OOXML — helping organizations manage documents across both Microsoft Office and open document standards. The platform can be deployed as a standalone self-hosted application within private cloud or on-premises infrastructure, or integrated via SDK/API directly into third-party software products. This makes it suitable both for enterprises operating their own document infrastructure and for software vendors — including SaaS and AI solution developers — who embed Office editing, viewing, and conversion capabilities into their own applications rather than building document handling from scratch. It includes browser-based word processing, spreadsheet, and presentation applications, along with real-time collaboration and document conversion, while administrators or integrating developers retain centralized control over deployment, security policies, permissions, and document workflows. Thinkfree Office also supports AI-powered document workflows by connecting enterprise LLMs and AI applications with its document engine. Developers building AI agents, copilots, or document-automation products can generate, edit, summarize, format, and revise business documents through natural-language prompts while preserving document structure and formatting — connecting their preferred LLM rather than being locked into a single provider, and keeping document processing within their own infrastructure. Thinkfree Office is suitable for software vendors and SaaS companies — particularly those building AI-powered products — that need to embed document generation and editing into their own applications, as well as enterprises, public-sector organizations, educational institutions, and regulated industries that require private deployment and secure collaboration for internal document infrastructure. Key capabilities include:

? Self-hosted, on-premises, and embeddable deployment via SDK/API ? Browser-based DOCX, XLSX, and PPTX editing with OOXML and ODF support ? Word processing, spreadsheet, and presentation applications ? Real-time document collaboration and conversion/export ? AI-assisted document generation and editing via enterprise LLM integration ? Integration-ready architecture for SaaS and AI application developers ? Customizable branding and user experience