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devenv

Fast, declarative developer environments with Nix

Developer Tools & Git ★ 7.7k stars Medium setup Apache-2.0

devenv is a tool for building fast, reproducible and composable developer environments declaratively using Nix. It is self-hosted on developer machines and CI to standardize tooling.

Official siteSource code

Key features

  • Declarative dev environments
  • Reproducible with Nix
  • Built-in services
  • CI integration

Strengths

  • Released under the Apache-2.0 license
  • Mature project with 7.7k GitHub stars
  • Written in Rust
  • Lightweight — runs in 512 MB RAM

Is devenv secure?

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

devenv replaces

Self-hosted Docker Dev Containers alternatives

Health badge

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

SelfHostIndex: 92 · excellent

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

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

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