npm can install directly from GitHub:<p><pre><code>    npm install visionmedia&#x2F;express
</code></pre>
Or any git repo:<p><pre><code>    npm install git+https:&#x2F;&#x2F;git@github.com&#x2F;visionmedia&#x2F;express.git
    npm install git+ssh:&#x2F;&#x2F;git@github.com&#x2F;visionmedia&#x2F;express.git</code></pre>