Best Free Document Collaboration Software

ONLYOFFICE is an open-source project that offers cloud-based and self-hosted solutions for business of all sizes. The key product is ONLYOFFICE Docs, a secure office suite that seamlessly integrates into the most popular platforms, e.g. Odoo, Alfresco, Confluence, Pipedrive, Redmine, SuiteCRM and more. When integrated, ONLYOFFICE Docs provides the users of your business app with editors for documents, spreadsheets, presentations, forms, PDFs and diagrams. The ONLYOFFICE suite makes it possible to collaborate on office files in real time. The built-in AI assistant is compatible with ChatGPT, DeepSeek, Mistral and other AI providers to ensure a flawless editing experience. You can use Docs within ONLYOFFICE DocSpace, a room-based document collaboration platform that allows you to create dedicated spaces where you can assign access permissions and collaborate with your teammates. With DocSpace, you can store, share and co-edit office files, and even interact with third parties.

Apryse (formerly PDFTron) powers the future of document technology. We help businesses, developers, and enterprises handle documents with unmatched speed, accuracy, and security. Whether running in secure server environments or delivering seamless web-based experiences, Apryse makes document workflows smarter and easier. With Apryse, you can: Embed powerful document features directly into your apps — from viewing and editing to collaboration and compliance. Run at enterprise scale on secure server infrastructure, ensuring reliability without cloud dependencies. Deliver seamless in-browser document experiences with responsive, accessible, and feature-rich web capabilities. Trusted globally, Apryse empowers organizations to simplify operations, enhance productivity, and create exceptional document experiences.

Vaiz is a work management platform built for small and mid-sized teams — startups, agencies, and growing SaaS companies — who want the structure of tools like Jira or ClickUp without the complexity, setup time, or price tag. It brings tasks, docs, and technical work into one lightweight workspace, so teams can get started in minutes, not weeks. With Vaiz, you get flexible task boards (lists, Kanban, or Gantt charts), powerful dashboards for tracking progress, and advanced document tools that let you co-edit not just text, but also code, data, and complex blocks. Built-in automation lets you set up smart workflows to handle routine tasks, saving your team time and energy. AI assistants are ready to help — whether you need to generate text, translate content, or analyze data, you've got smart tools right at your fingertips. Vaiz scales with you, from a 5-person startup to a growing team, without forcing you to switch tools as you grow.

eXo Platform is an open-source digital workplace solutions for growing teams and enterprises, featuring: ✅ Internal Communications ✅ Team Collaboration ✅ Knowledge Management ✅ Productivity and Employee Recognition use cases. eXo stands out by: 👍 its fluid and integrated employe experience, on desktop and mobile 👍 the platform’s ease of use 👍 innovative employee engagement features. eXo Platform is developed on open-source technology and supports open standards. The platform is extensible and interoperable, all services are exposed REST APIs. The platform also offers additional security capabilities, developed in collaboration with highly sensitive clients. With eXo Platform, companies can connect, engage and reward their employees, customers, and partners with its social, engagement and gamification capabilities.

Nextcloud puts your data at your fingertips, under your control. Nextcloud Hub is the leading open source, on-premises content collaboration platform with a strong focus on data protection. It is deployed by tens of thousands of organizations to stay in control of their sensitive content in compliance with privacy regulations like GDPR and HIPAA. Nextcloud presents a unified, comprehensive platform addressing collaboration needs through document sharing, real-time editing, video conferencing, calendaring, mail and other capabilities. This singular approach across mobile, web and desktop interfaces provides a superior user experience and increased productivity. It is designed with an open, modular architecture that enables organizations to optimize their content collaboration both within and outside their organization.

Supercharge Zoom Workplace collaboration with AI-first docs that transform meeting content into actionable documents, wikis, and projects. Using a single platform can save 2 hours per week by limiting workflow distractions. Built with AI Companion at its core for composing, summaries, translation, and content generation from meetings conversations to jumpstart document creation and boost productivity. Seamless collaboration with Zoom Meetings to enhance meeting effectiveness, streamline document creation, and deliver better ongoing collaboration. Flexible, customizable docs for a variety of use cases that adapt to your teams' evolving needs. Designed for distributed teamwork to help teams and organizations share information at scale for improved stakeholder visibility. Collaborate more effectively in and out of meetings with seamless in-meeting creation, sharing, and co-editing and the ability to populate docs with meeting information using AI.

CKEditor 5 is a modern WYSIWYG rich text editor that can easily accommodate the requirements of businesses and users in the age of digital transformation. It allows software creators and developers to build powerful writing solutions for applications of all sorts, within hours. Thanks to a fully customizable framework, ready-to-use builds, native integrations, extensive documentation, and reliable customer support, the editor can be fully tailored to your needs. To provide users with an all-around streamlined and collaborative writing experience, you can additionally include advanced features such as Track Changes and Comments, Revision History, and (if preferred) Real-time Collaboration! Easy Export to PDF and Word, responsive images, pagination, Markdown input and output support, and robust paste from Word and Google Docs are also popular choices.