Rent4free.com - Residential/Commercial Property for Rent
Zillow - Is that home for sale? What is it worth? Where can I find foreclosures? Stop wondering!
99.co - 99.co is a map-based property search engine that provides renters, buyers, and agents fast and efficient property search experience.
Trulia - Trulia’s top-rated real estate app helps you find the perfect home, wherever you are.
Realo - Data-driven real estate marketplace
LoopNet - LoopNet is an online commercial real estate marketplace that connects buyers, tenants, and investors.