Chandan Luthra is a Software Development Engineer with IntelliGrape Software, New Delhi, India-a company specializing in Groovy/Grails development. He is an agile and pragmatic programmer and an active participant at local open source software events, where he evangelizes Groovy, Grails, Jquery, and Firebug. Chandan is a Linux and open source enthusiast. He also involves himself in writing blogs and is an active member on various tech-related mailing lists. He has developed web applications for various industries, including entertainment, finance, media and publishing, as well as others. He loves to share his knowledge and good coding practices with other team members in order to hone their development skills. In his free time, he loves to contribute to open source technologies. Chandan also loves to code in jQuery and Firebug, which makes development very easy for him. He is a very fond user of Firebug and has been using it since 2007. Deepak Mittal is a software developer based in New Delhi, India, and he has been involved with software engineering and web programming in Java/JEE world since the late 1990s. Deepak is a Linux and open source enthusiast. He is an agile practitioner and speaks about open source, agile processes, and free software at various user group meetings and conferences. He has designed and built web applications for industries including pharmaceutical, travel, media, and publishing, as well as others. He loves to explore new technologies and has been an early-adopter of quite a few mainstream technologies of today's world. In early 2008, he co-founded IntelliGrape Software, an agile web application development company focused on Groovy and Grails. At IntelliGrape, he has been occupied with building world class applications on Grails and also mentors and trains other team members. Deepak is a veteran user of Firebug and has been using it since 2006.