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Lowdefy

Build internal tools and web apps from YAML config

Developer Tools & Git ★ 3k stars Easy setup Apache-2.0

Lowdefy is an open-source low-code framework for building web apps, admin panels and internal tools using simple YAML configuration files. The apps run on a self-hostable Node.js server.

Official siteSource code

Key features

  • Apps defined in YAML
  • No frontend code
  • Many data connectors
  • Self-hosted server

Strengths

  • Released under the Apache-2.0 license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Active community (3k GitHub stars)

Is Lowdefy secure?

OSV.dev has no published security advisories for Lowdefy'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.

Lowdefy replaces

Self-hosted Retool alternativesSelf-hosted Appsmith alternatives

Health badge

Maintain Lowdefy? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 87 · excellent

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[![SelfHostIndex health score for Lowdefy](https://selfhostindex.com/badge/lowdefy.svg)](https://selfhostindex.com/app/lowdefy/)
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<a href="https://selfhostindex.com/app/lowdefy/"><img src="https://selfhostindex.com/badge/lowdefy.svg" alt="SelfHostIndex health score for Lowdefy"></a>
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.. image:: https://selfhostindex.com/badge/lowdefy.svg
   :alt: SelfHostIndex health score for Lowdefy
   :target: https://selfhostindex.com/app/lowdefy/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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