ProJoomExperts

 AdsManager is a Joomla classified ads component. You can create a classified website very easily using this amazing extension. Real Estate, Vehical, Furniture , Electronics Equipment anything. If you new to joomla and not a developer, you will find it very friendly. For developers its very easy to customize because its built on MVC Joomla architecture. This extension have both free and paid version.
Key features of this extension is described below.

• Private Message System Integration
• Automatic User Account Creation
• Option to choose classified ad Fields by Categories
• Ad Expiration
• Advanced Search and Simple search
• Show your ad fields (tick checkbox, dropdown select, textarea, etc..)
• Community Builder Integration
• Personalize Display ( set numbers of column and others...)
• Show mandatory field
• Spam Protection
• Show field of which a sort can be make.
• Unlimited level of categories can be created
• Dynamic page titles
• Multiple languages: English, French
• Full configuration 
• Email Notification
• Assign as many images you want to a ad
• Users can edit/delete their own ads
• Menu Modules to display the list of ads
• Latest ad modules, Random ad modules
• Cache Management
• Search Engine Friendly 
• Limit ads by User
• Visitor can post ad with account
• Light-box Effect Integration
• PMS integration

and many more, just test it right now on this site!  You can download this feature rich classified extension from JED. The free extension place a backlink on the footer. If you want to remove the backlink , this post will be helpfull for you.
The default theme of Adsmanager is not professional and good looking. If you want a customization you can do it by adjusting css and view php files. If you need help with it. You can contact with me. Enjoy