title: Comparison between rational software architect(RSA) & rational application developer(RAD) IBM products
body: <p>It seems <strong><em>Rational software architect</em></strong> (RSA) &amp; <strong><em>Rational application developer</em></strong> (RAD) both IBM products are basically used as an IDE. But both have specific purpose to use. Please help me to understand when to use RSA and when RAD. What are the differences and what are the similarities between these two IBM products.</p>