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Univer

Full-stack framework for collaborative office docs

Office Suites ★ 22.6k stars Hard setup Apache-2.0

Univer is an open-source full-stack framework for creating and embedding spreadsheets, documents, and slides. It supports collaboration, formulas, and a plugin architecture.

Official siteSource code

Key features

  • Spreadsheets, docs, and slides
  • Real-time collaboration
  • Plugin architecture
  • Embeddable components

Pros & cons

Strengths

  • Sheets, docs and slides in one
  • Embeddable in web apps
  • Active development

Trade-offs

  • Developer integration required
  • Collaboration server is commercial

Is Univer secure?

OSV.dev has no published security advisories for Univer's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Univer replaces

Self-hosted Google Sheets alternativesSelf-hosted Microsoft Office alternatives

Health badge

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SelfHostIndex: 96 · excellent

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