Open4Listing is a free and open source solution for the creation of a corporate website with classifieds. Developed mainly for Real Estate Agents, Brokers and Real Estate Professionals, Open4Listing is also used in other fields of activity, such as Auto Parts Sales, Heavy Industry Machinery Sales or Short Term Accommodation Rentals. Open4Listing is powered by PHP and MySQL and was created by INFO CITY SRL, the company which developed several real estate portals. The software is SEO-friendly, AD free and can easily be modified to meet users needs. With Open4Listing you can easily change colors, themes, implement a business logo or create categories and subcategories.