Ruby on rails allows rapid development of database driven websites. Many websites already utilising it and benefits from it. You can use ruby on rails to create database driven website like project management portal, social network site, job search site, yellow pages website, job search website, and many more.

There are many RubyGems preinstalled in your hostgator hosting package, and here are the big list of it and its current version number:

• actionmailer 2.1.2
• actionpack 2.2.2
• actionwebservice 1.2.2
• activerecord 2.1.2
• activeresource 2.1.2
• activesupport 2.2.2
• BlueCloth 1.0.0
• builder 2.1.1
• daemons 1.0.5
• feedtools 0.2.26
• gem_plugin 0.2.2
• gnuplot 2.2
• hpricot 0.6
• htmltools 1.10
• mongrel 0.3.13.4
• mysql 2.7
• payment 1.0.1
• rails 2.1.2
• rake 0.8.3
• rubygems-update 1.3.1
• sources 0.0.1
• tidy 1.1.2
• uuidtools 1.0.0
• xml-simple 1.0.10