nxvNix Version Search

Find any version of any Nix package instantly

Try Demo

Get Started

View on GitHub

⚡

Fast

Bloom filter + SQLite FTS5 for instant results across millions of package versions

📦

Complete

Every nixpkgs package version since 2017, with store paths and flake references

🔒

Offline-first

Download the index once, search locally without network requests

🛡️

Security Aware

CVE warnings for vulnerable packages, insecure package indicators

Quick Example

bash

# Search for a package
nxv search python

# Find a specific version
nxv search python --version 3.11

# Get package history
nxv history python311

# Use in a flake
nix shell nixpkgs/abc123#python311