Best Office Suites for Nextcloud

ONLYOFFICE Docs is a secure online office suite for teams and businesses of all sizes. Create and edit docs, sheets, slides, fillable forms and PDFs. Collaborate with your teammates in real time using two co-editing modes, version history and other tools. Enable the AI assistant of your choice — ChatGPT, DeepSeek, Mistral, Groq AI, etc. Generate new content, summarize, translate and do more with your favourite AI tool while working on office files. Integrate ONLYOFFICE Docs into your business platform, whether it be Odoo, Alfresco, Confluence, Pipedrive, Nextcloud, Redmine, SuiteCRM, etc., via an integration app (40+ available integrations). Use Docs within ONLYOFFICE DocSpace, a room-based document collaboration platform equipped with the online office suite. Create dedicated spaces for different purposes, invite your teammates, assign access permissions and collaborate the way you like. With DocSpace, you can store, share and co-edit office files, and even interact with third parties.

Collabora Online is a great option for companies that require a powerful office suite on-premise or in the cloud. It protects their privacy and allows them full control over their corporate data. Collabora Online is available for Cloud and hosting businesses that want to add document viewing and collaborative editing capabilities to their service offerings. View and edit text documents, spreadsheets and presentations. No plugin required. Works in any modern browser. Preservation of layout and formatting. Multiple deployment options. Admin console to monitor system usage. The key features include collaborative editing and support for office file formats.

Thinkfree Office is a web-based office suite that provides online document editing, collaboration, and flexible deployment options for enterprises, SaaS providers, cloud service providers, and software vendors. The platform includes online Word Processor, Spreadsheet, and Presentation editors with support for Microsoft Office formats (DOC, DOCX, XLS, XLSX, PPT, PPTX) and Open Document formats (ODT, ODS, ODP). Organizations can deploy Thinkfree Office on-premise, in private cloud environments, or integrate document editing capabilities into existing applications through APIs. Real-time collaboration features include co-authoring, comments, Track Changes, and in-app chat. Thinkfree AI Office extends document workflows with AI-assisted capabilities such as document generation, summarization, translation, content refinement, information extraction, and document analysis. The platform supports integration with public LLMs, private enterprise AI models, and self-hosted LLMs, allowing organizations to deploy AI-assisted document workflows based on their infrastructure, security, and compliance requirements. Key features include online document editing, real-time collaboration, AI integration, API support, white-label customization, and flexible deployment options. Typical use cases include private AI office environments, enterprise document collaboration, knowledge management systems, embedded document editing for SaaS applications, and organizations requiring control over data and infrastructure.