The following is a list of 40+ online web 2.0 websites, applications, and communities, some that are in beta (or even alpha) development stages. If you know if one we missed, by all means tell us, this should be an organic, ever growing list.

Home Values


Zillow

It allows anyone to find rough estimates of the valuation of their home by searching comparable properties. While values are not always accurate, the site continues to get it better.

RealEstate ABC

Beta property valuation tool competing directly with Zillow. It uses Google Maps in its technology mashup and allows you to do cool things like adjust values of properties given certain market conditions.

Cyberhomes

Valuations give you access to most of the same information that real estate professionals use to evaluate homes. Whether you own your place, are thinking of buying, or even just looking around, you can explore data ranging from property facts, value estimates, and a variety of important indicators of local and national changes in the housing market.

eppraisal

Free service that allows anyone to quickly and easily take the first step to buying, selling, or refinancing a home by providing instant access to property valuations, real estate professionals and additional services. eppraisal pulls together public record data from over 70 million homes to quickly and easily give you an estimated value range.

Listings


Trulia

Scrapes real estate sites to find listings and brings it all together in a clean, well designed site. Using Google maps and RSS feeds, the site seems to have taken the lead in the future of online property listings.

Smarter Agent

GPS real estate searches from your cell phone

HousingMaps

Craigslists - Google Maps mashup to find properties for rent or for sale in your area. The interface is deceivingly simple; dive in and discover how content-rich HousingMaps really is.

Retrove

Retrove is a national vertical real estate search engine that allows you to search all types of real estate listings such as MLS listings, FSBO, foreclosures, classifieds and other types of property listings across the nation. Retrove provide you real estate search results that take you directly to the real estate listing source.

City Cribs

Buy, Rent or Sell US Apartments and Homes. A comprehensive real estate marketplace featuring millions of listings.

ZoomF

Property search engine Google maps mashup,aggregating listings from many online sources and making them easily searchable with a GoogleMap-based visual interface.

Prop Smart

Next-generation, independent real estate search engine. We crawl and index millions of homes for sale and other properties, then organize and display them on a slick Google Map interface.

Roost

Roost offers parallel services - a search for consumers and a new platform for Realtors. Unlike other site, they dedicate their time and resources to being a great search engine and having up to the minute data for a dozen or so markets, with more being added daily.

Google, Craigslist, Oodle

Neighborhood


WalkScore

Help homebuyers, renters, and real estate agents find houses and apartments in great neighborhoods. Walk Score shows you a map of what's nearby and calculates a Walk Score for any property.

YourStreet

Community of homeowners, buyers and renters sharing inside knowledge about their local neighborhoods. Discover a new neighborhood or share knowledge about your own. Track local real estate conditions in your area - what's selling and what's not. Connect with neighbors across the country and find out what a neighborhood is really like.

Rotten Neighbor

The first real estate search engine of its kind allowing you to rate and review good and bad neighbors before and after you move so you can make a smart real estate decision.

Home Thinking

Online service that helps home owners choose the most remarkable neighborhood real estate agents to sell their house.

Hubbuzz

Apartment search by neighborhood website. In addition to finding apartments, users can search neighborhood profiles, photos, interactive maps and user generated blogs and events. Hubbuzz is an apartment site that incorporates extensive neighborhood information and user generated blogs and comments from anyone in the community.

Terabitz

Comprehensive and customizable real estate Web site that fundamentally changes the online real estate industry by helping consumers make smart decisions before, during, and after the property transaction in ways never before possible. We, at Terabitz, realize that every home exploration is unique.

Estately (Washington State Only) - Beta

Created with the belief that home buyers need context when they're looking for a home. At Estately you can learn about the surrounding area, the nearby shops, the character of the neighborhood and the style, size and price of a property.

Blockhunter

New way of finding a place to live. If you want to move, you can let people in the area know you're looking. If you want to sell or let a place, you can find interested people quickly. No hassle, no obligation, no estate agents.

House America

Real estate information service that gives those of us who are not real estate professionals independent access to actual unfiltered information that is relevant to what is often our most valuable investment-our home-or any other real estate.

Agents


Agent Scoreboard (Some States)

Search for agents in your local area and read reviews and comments posted by real people that have used their services.

Incredible Agents

Real estate agent review service that helps home buyers and sellers find an Incredible Agent who can assist them in their real estate transactions.

Agent Match

Free service to consumers that enables you to search for real estate agents using meaningful criteria including: commission, location, sales history, services offered, experience level, and the estimated value of the home you are selling or buying.

Marketing


VFlyer

Classified ad creation, management and submission platform that enables online sellers to quickly and easily create attractive classified ads or "virtual flyers" that can be posted on dozens of leading online marketplaces in a few simple clicks.

Postlets

Free template and photo hosting for craigslist classifieds

WellcomeMat

Video network that connects you with people and resources to most effectively market real estate, neighborhoods, cities, events and local businesses.

Real Estate Shows

Use your digital photos to create stunning Internet Shows in less than 5 minutes! They will look and feel like TV commercials!

HomePerks

Online rewards system that enables real estate sellers and professionals to give Buyers and other users rewards.
Info
HotPads

Supply housing shoppers with the info they need to make sound financial decisions about whether to buy or rent.

Foreclosure Radar (California Only)

Only place where you'll find complete up-to-date information on every foreclosure opportunity available in California, including exclusive daily updates on every auction.

DIY
(always good to know the competition, right?)
Redfin

Industry's first online brokerage for residential real estate.

ChoiceA

Users are encouraged to list their property for sale for free. Buyer's can browse listings with new technologies including drag-n-drop favorites, endless scroll searches and can view properties using data, pictures or maps.

BlueRoof

Way to buy and sell a home-bringing together buyers and sellers in one place, and connecting all the resources you need to buy or sell your home.