--- a/compalg.xml
+++ b/compalg.xml
@@ -28,6 +28,11 @@
 <p>“Jasymca is a symbolic calculator written for mobile phones and PDAs. It solves and manipulates equations, handles basic calculus problems, and provides a few more typical functions of computer algebra systems. The syntax is loosely related to GNU-Maxima.”</p>
 <p class="url">→ <a href="http://webuser.hs-furtwangen.de/~dersch">http://webuser.hs-furtwangen.de/~dersch</a></p>
+<div class="catit">
+<h3><a href="http://reduce-algebra.com">REDUCE</a></h3>
+<p>“REDUCE is an interactive system for general algebraic computations of interest to mathematicians, scientists and engineers.”</p>
+<p class="url">→ <a href="http://reduce-algebra.com">http://reduce-algebra.com</a></p></div>
 <div class="catit">
 <h3><a href="http://www.singular.uni-kl.de/">SINGULAR</a></h3>