The document compares Eclipse, Netbeans, and Railo development tools. Both Eclipse and Netbeans are open-source integrated development environments (IDEs) that support development in multiple languages like Java, C/C++, and PHP. Railo is an open-source ColdFusion Markup Language (CFML) engine. Key differences include Eclipse having more advanced features while Netbeans may be better for beginners. Both provide rich APIs and support. Railo provides specific support for CFML development and integrates with tools like FusionDebug.