The Apache Tomcat software is an open source implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies. The Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket spe...
Zend Server, the Professional PHP Distribution with Advanced Value-add Capabilities
Apache Tomcat is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, Zend Server is clearly lagging behind, losing to Apache Tomcat in all segments.
Apache Tomcat has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Law & Government, Finance and 20 other categories.
Zend Server hasn't got a lead over Apache Tomcat in any websites category.
Apache Tomcat is leading in most countries, including China, United States, South Korea, France and 144 other countries.
Zend Server is leading in Guyana and Burkina Faso.