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           <a href="https://github.com/zepto-lang/zepto">zepto</a>, a programming language I
           have been working on;
         </li>
+        <li>
+          <a href="https://github.com/carp-lang/carp">Carp</a>, a programming language I
+          am contributing to—read my <a href="http://blog.veitheller.de/Carp.html">blog post</a>
+          about it;
+        </li>
         <li>
           <a href="https://github.com/hellerve/hawkweed">hawkweed</a>, a utility library for
           Python with an emphasis on functional programming;