List of the Top Document Collaboration Software for Microsoft SharePoint in 2026

ONLYOFFICE Docs serves as a robust and secure online office suite tailored for teams and companies of all dimensions. Users can create and modify documents, spreadsheets, presentations, fillable forms, and PDFs seamlessly. The platform allows for real-time collaboration among team members through two co-editing modes, along with features like version history and various other tools. By enabling your preferred AI assistant—such as ChatGPT, DeepSeek, Mistral, or Groq AI—you can generate new content, summarize information, translate text, and leverage additional functionalities while working on your office files. Furthermore, ONLYOFFICE Docs can be integrated into your existing business platforms, including but not limited to Odoo, Alfresco, Confluence, Pipedrive, Nextcloud, Redmine, and SuiteCRM, through a wide array of integration applications (with over 40 options available). Additionally, you can utilize Docs within the ONLYOFFICE DocSpace, a collaborative platform designed around document teamwork, which comes equipped with the entire online office suite. This allows users to create specific spaces for various projects, invite team members, set access permissions, and collaborate in a manner that suits their needs. With DocSpace, you can not only store, share, and co-edit office files but also engage with external parties, expanding the possibilities of collaboration beyond your immediate team.

Nutrient SDK offers a seamless way to collaborate on documents in real-time directly within your application. It allows multiple reviewers to work on a single document simultaneously, eliminating the need to create complex sync infrastructures or to use external collaboration platforms. This tool is particularly beneficial for developers, product managers, and UX engineers who need to incorporate multi-user reviews for various purposes such as contract evaluations, technical drawing annotations, field notes documentation, and team approval processes. Nutrient Instant operates through the Document Engine using WebSockets, facilitating the synchronization of annotations, comments, and form data across different users and devices on web, iOS, and Android platforms. The system supports threaded comments that can be anchored to specific areas or annotations and can be marked as resolved or reopened as needed. Role-based access, including viewer, commenter, and editor permissions, is managed with JWT tokens and can be modified during a session. Additionally, the Document Engine can be hosted on your own servers, ensuring that all documents and collaborative data remain within your infrastructure, while maintaining a unified document model for annotations, editing, and signing.

Microsoft 365 is a powerful cloud-based productivity platform designed to help individuals and organizations work smarter and more efficiently. It combines widely used applications such as Word, Excel, PowerPoint, Outlook, and Teams into a single integrated ecosystem. With Microsoft 365 Copilot, AI functionality is embedded directly into these tools, providing intelligent assistance for a wide range of tasks. Users can create documents, analyze data, and build presentations faster with AI-generated suggestions and automation features. The platform supports seamless collaboration by enabling real-time editing, file sharing, and communication across teams. OneDrive cloud storage ensures that files are securely stored and accessible from anywhere, whether on desktop, web, or mobile devices. Copilot enhances productivity by helping users summarize information, generate ideas, and organize workflows efficiently. It also allows users to incorporate their own files into prompts, ensuring outputs are tailored to their specific needs. Microsoft 365 is designed with flexibility in mind, supporting a variety of work styles and environments. The platform emphasizes user control over AI, allowing individuals to decide how and when to use intelligent features. It also simplifies complex tasks such as data analysis, presentation creation, and email management. By integrating productivity tools with advanced AI capabilities, Microsoft 365 improves efficiency and reduces manual effort. Overall, it enables users to collaborate more effectively, make better decisions, and achieve more in less time.

Foxit PDF Editor is an all-in-one PDF solution that allows users to create, edit, review, collaborate on, secure, organize, export, OCR, and eSign PDF documents across desktop, mobile, and web platforms. Designed for business professionals, it combines intuitive workflows with enterprise-grade functionality, integrations, and scalable deployment capabilities in a cost-effective solution. Offered in PDF Editor and PDF Editor+ editions, the platform supports individuals, teams, and large organizations with advanced collaboration and security needs. Foxit PDF Editor includes Foxit DMS, allowing users a single place to store, manage, & govern documents.

eXo Platform gives every employee one place to stay informed, work together and find the knowledge they need. It is an open-source, AI-augmented digital workplace that unifies internal communication, team collaboration, knowledge management and employee engagement. Communication teams publish targeted news, events and branded intranet pages without code. Teams work in dedicated spaces with tasks, an agenda, shared documents edited online, notes and chat, and meet by video without leaving the platform. Kudos, quests and leaderboards turn participation into recognition. AI is part of daily work. Assistants answer from your own spaces, documents, notes and tasks, help write and summarize, and respect each user’s permissions. Organizations choose the AI models they use. A secure MCP server also lets assistants such as Claude, ChatGPT and Le Chat use more than 100 platform tools, with admin approval. eXo is open by design. It integrates with existing tools such as OnlyOffice, Jitsi, Exchange and Google calendars, exposes REST APIs, and can be deployed as SaaS, in a private cloud or on-premises. Organizations keep control of their data, with no vendor lock-in. Developed by a French open-source software vendor for more than 20 years, eXo serves over 1,000,000 users worldwide and won the OW2 Best Project Market Award 2026.

Ideagen Collaboration Portal helps teams stop coordinating work across email threads, shared folders and disconnected platforms. - Secure workspaces for sharing documents with external partners, with configurable permissions and controlled access expiration - One current version of each document, with real-time collaborative editing and clear change histories - Comments kept with the documents they relate to, plus a mobile app and progress dashboards - Audit trails that capture every edit and approval, so compliance reports do not need manual compilation - File requests that gather multiple files at once and track who has submitted - Document tagging to find files faster Use it for external collaboration, document review and approval, and audit documentation. Ideagen Collaboration Portal is part of the Ideagen platform, connecting quality, EHS, compliance and risk teams.

Atlassian's Confluence is a prominent tool for content collaboration designed for contemporary teams. It facilitates teamwork by enabling users to create, share, and manage projects all within a centralized platform. Additionally, the software allows for the efficient publication and retrieval of company information while helping teams document, organize, and expand their collective knowledge. With its mobile capability, Confluence ensures that team members can stay connected, provide feedback, and monitor progress from anywhere, enhancing overall productivity and communication. This versatility makes it an essential asset for any organization looking to streamline collaboration.

Zapendo provides robust enterprise-grade tools for Contract Management and eSignature in a self-service format that remains accessible to companies of all sizes. Every organization, regardless of its scale, handles contracts, and Zapendo simplifies this by enabling users to swiftly track their contracts, monitor expiration dates, and recognize key stakeholders involved. With the platform, you can design tailored workflows to establish an approval process tailored to each contract, task, and deliverable your company creates within Zapendo. Additionally, all subscription plans come with unlimited eSignature capabilities, allowing users to attach signed documents to one or multiple contracts seamlessly, enhancing the overall management experience. This comprehensive approach ensures that managing contracts is efficient and straightforward for every business.

Growing companies lose hours every week to outdated wikis and answers nobody trusts. Slite gives mid-sized teams of 50 to 1,000 employees one reliable home for company knowledge, and keeps it accurate automatically. How it works: your team writes and verifies docs in Slite. Slite Agent adds enterprise search across more than 20 business apps (HubSpot, Intercom, Attio, Notion, Confluence, Slack and more), checks your docs against them, and suggests updates when policies, processes or product details change. A manager reviews each suggestion before it is published, so accuracy never depends on someone remembering to update a page. Employees get instant, sourced answers to their questions through Ask, with the same permissions they already have. Importers for Confluence, Notion, Google Docs and SharePoint make switching straightforward. Plans: Basic at $10 and Pro at $20 per user per month (billed annually), or Enterprise with custom pricing, SSO, SCIM, audit logs and an SLA. Start with a 14-day free trial.

FileHold is a robust document management and workflow system tailored for large enterprises aiming to move towards a paperless environment. This versatile solution can be implemented on-site, in a secure public or private cloud, and boasts an extensive array of features such as document scanning, indexing, version control, and advanced searching capabilities. Additionally, it allows for seamless document linking and is designed to work effortlessly across all web browsers, providing a rich desktop experience while being fully optimized for mobile devices. Furthermore, integration with popular platforms like MS Office, SharePoint, Active Directory, and Teams is readily available without requiring extensive setup. With a comprehensive API documentation, FileHold ensures that organizations can customize and extend its functionality to meet their specific needs effectively. Moreover, its user-friendly interface simplifies the adoption process for staff, promoting a smoother transition to digital document management.

Presenting a revolutionary platform designed for seamless collaboration in the workplace and document management, enabling teams and individuals to create, collaborate, and oversee their projects effortlessly from any location worldwide. This innovative tool facilitates the quick production of diverse notes, documents, wikis, knowledge bases, project outlines, client deliverables, training materials, and client portals, while seamlessly integrating with your existing applications. Streamline your work in a single, organized space by utilizing Bit for intelligent notes, research projects, freelance assignments, client deliverables, academic tasks, and more, all showcased in a visually appealing format. Work together with colleagues, clients, partners, or students, regardless of their physical location, engaging in real-time collaborative efforts on projects. With features that allow guest access, you can promptly invite clients, partners, and contractors into your workspace, significantly enhancing productivity. Bit is built to grow alongside your organization, accommodating both centralized teams and those spread across the globe. Keep a well-structured repository of company knowledge that encompasses various departments, teams, projects, and clients, all conveniently stored in one accessible hub, promoting ultimate efficiency and collaboration. This comprehensive platform not only enhances productivity but also cultivates a unified working atmosphere, which is vital for contemporary teams striving for success. As a result, teams can achieve their goals more effectively and foster stronger connections through enhanced collaboration.