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Open-source office editors for web, desktop, mobile, and self-hosted teams.
Open Source & Free Software AlternativesONLYOFFICE is an open-source office suite for creating and collaborating on documents, spreadsheets, presentations, PDFs, and forms. It can be used through ONLYOFFICE DocSpace, connected to existing platforms such as Nextcloud or Moodle, embedded into custom apps, or installed as desktop and mobile editors.
0 votesVisit siteSelf-hostable office editing for teams that need data control.
Open Source & Free Software AlternativesCollabora Online provides browser-based editing for text documents, spreadsheets, presentations, and drawings, with deployment options for self-hosted infrastructure or hosting through partners. It is built around open-source office technology and is positioned for organizations that want collaborative document editing without handing files to a large SaaS office provider.
0 votesVisit siteSelf-hosted collaboration suite for files, chat, office, and groupware.
Open Source & Free Software AlternativesNextcloud is an open-source platform for running a private collaboration workspace on your own infrastructure or through a provider. It brings together file sync, document editing, video calls, chat, calendars, contacts, email, automation, and optional local AI features under one hub.
0 votesVisit siteA browser-based office suite built around client-side encryption.
Open Source & Free Software AlternativesCryptPad is an open-source collaboration suite for creating and sharing documents in the browser while encrypting content before it leaves the user’s device. It is positioned as a privacy-focused alternative to conventional online office tools, with real-time collaboration handled through web apps that require JavaScript for in-browser encryption.
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