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contents/ruby-compendium/book/gems.html

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title: "Ruby Compendium - Ruby Gems"
content-type: page
-----
<nav class="navigation"><a href="/ruby-compendium/book/features.html">← Advanced Language Features</a> | <a
        href="/ruby-compendium/book/index.html">Contents</a> | <a href="/ruby-compendium/book/gem-tips.html">What you
        can use for... →</a></nav>
<p>Sure, the <a href="/ruby-compendium/book/core-stdlib.html#core-stdlib">Standard Library</a> is quite large but&#8230;
    no, it does not have everything you need. Luckily, it&#8217;s full of gems out there! Rubygems is Ruby&#8217;s
    packaging system, and the best way to distribute your own libraries and applications.</p>
<p>The Rubygems packaging system is now included in most Ruby implementation and distributions. Installing a gem and all
    its dependencies is as easy as issuing <code>gem install &lt;name of the gem&gt;</code>. So for example if you want
    to install the <a href="https://rubygems.org/gems/rails">rails</a> gem, you can just run</p>
<p><code>gem install rails</code></p>
<p>&#8230;and it will be automatically downloaded and installed on your system, along with the other gems it depends on.
</p>
<section class="section">
    <header>
        <h3 id="h_16" class="toc">RubyGems.org</h3>
    </header>
    There are over 1300 different gems publicly (and freely!) available. Luckily, the official gem host site, <a
        href="http://www.rubygems.org">RubyGems.org</a> makes it very easy to find what you're looking for: just search
    for a particular gem or a functionality you're looking for, and browse through the results. You can also register
    and <em>push</em> your own gems for other people to use.

</section>
<aside class="box">
    <div class="box-title">What happened to RubyForge?</div>
    <p>If you started to learn Ruby a few years ago, the <a href="http://www.rubyforge.org">RubyForge</a> was
        <em>the</em> place to find user-created ruby code and gems. The site is still there, but nowadays Rubyists
        prefer using <a href="http://www.github.com">GitHub</a> as host for their source code repositories and
        RubyGems.org as the home for their gems.</p>

</aside>
<nav class="navigation"><a href="/ruby-compendium/book/features.html">← Advanced Language Features</a> | <a
        href="/ruby-compendium/book/index.html">Contents</a> | <a href="/ruby-compendium/book/gem-tips.html">What you
        can use for... →</a></nav>