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Streamlit

Turn Python scripts into shareable data apps

Developer Tools & Git ★ 46k stars Easy setup Apache-2.0

Streamlit is a framework that lets data scientists build interactive web applications using only Python. Apps update automatically as you edit the script and can be self-hosted on any server.

Official siteSource code

Key features

  • Pure Python data apps
  • Automatic UI from script
  • Rich widget library
  • Self-hostable anywhere

Pros & cons

Strengths

  • Pure Python apps
  • Instant hot reloading
  • Rich widget library

Trade-offs

  • Reruns script each interaction
  • Limited layout flexibility

Is Streamlit secure?

No known vulnerabilities affect Streamlit's latest release (1.65.0). OSV.dev lists 8 past advisories for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2026-10804, published 2026-06-04 (132 days ago)

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

Streamlit replaces

Self-hosted Retool alternativesSelf-hosted Tableau alternatives

Health badge

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SelfHostIndex: 100 · excellent

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