There are many alternatives to Microsoft SharePoint as a web app if you are looking for a replacement. The best open source Online alternative is Nextcloud. If that doesn't suit you, our users have ranked more than 100 alternatives to Microsoft SharePoint and 18 are open source and available as a web app so hopefully you can find a suitable replacement. Other interesting open source Online alternatives to Microsoft SharePoint are BookStack, XWiki, HumHub and Alfresco Community Edition.
On-premises solution offering file sync, universal data access and collaboration through Nextcloud Files, Talk, and Groupware. Ensures secure, controlled data storage for enterprise with powerful privacy tools including encryption, fine-grained access, and a bug bounty.
BookStack is a free and open source knowledge management platform built on PHP. The system has been built around simplicity to ensure that adding information to it is not a chore. The content structure is built on the metaphors of Books, Chapters & Pages.
XWiki is the ultimate open-source structured wiki designed to enhance business collaboration and efficiency. Tailored for tech-savvy professionals, XWiki’s extensibility, customization, and flexibility make it indispensable for managing large projects and datasets, while...
HumHub is a free social network software and framework built to give you the tools to make teamwork easy and successful.
Alfresco is the leading open source enterprise content management system built by the most experienced team in the industry drawn from Documentum®, Vignette® and Interwoven®. Twenty years of experience drove us to believe that the Enterprise Content Management...
Tiki Wiki CMS Groupware is a full-featured, web-based, multilingual (40+ languages), tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP + Smarty, MySQL, Zend Framework, jQuery and Bootstrap.
eXo Platform is an all-in-one digital workplace solution that helps you connect, align and engage your teams around a single interface. You can use it to improve company and peer-to-peer communication, boost collaboration and manage company knowledge.
Open-source cloud storage solution built on TypeScript, Deno, and Fresh, offering a minimal, user-friendly interface, WebDAV file access, easy sharing, modular architecture, and integration with existing clients, designed for privacy and flexible self-hosting.
All you need in a team collaboration tool dedicated to small efficient teams. Chat, notes, drive, online collaborative edition, calendars, news, spaces, notifications...
Open-source, privacy-focused cloud storage using zero-knowledge encryption and blockchain technology, provides secure file transfer, end-to-end encryption, free 10 GB plan, desktop and mobile support, full user control, and no data tracking or ads.
Documize creates the Enterprise Knowledge Backbone by unifying docs, wiki, reporting and dashboards — composition + coordination + discovery + distribution + workflows = faster business outcomes
Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.
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Great open source alternative