Open Web Awards is the only multilingual international online voting competition that covers major innovations in web technology. Through an online nominating and voting process, the Open Web Awards recognizes and honors the top achievements in 26 categories. This year, we’re partnering with over 100 blog partners, Poll Daddy for extra security and ease of voting and extending the nominations period and voting rounds for greater participation.

Mainstream & Large Scale Social Networks

1. Twitter is a service for friends, family, and co–workers to communicate and stay connected through the exchange of quick, frequent answers to one simple question: What are you doing? With Twitter, you can stay hyper–connected to your friends and always know what they’re doing…
2. Facebook gives people the power to share and makes the world more open and connected. Millions of people use Facebook everyday to keep up with friends, upload an unlimited number of photos, share links and videos, and learn more about the people they meet.

Embeddable Widgets

1. Clearspring is the leading provider of widget creation, distribution, tracking and monetization services, used by the world’s largest media companies, advertisers, and widget developers. We help publishers and marketers extend their reach to the leading social networks, start pages…
2. Sprout is the quick and easy way for anyone to build, publish, and manage widgets, mini-sites, mashups, banners and more. Any size, any number of pages. Include video, audio, images and newsfeeds and choose from dozens of pre-built components and web services.

Blog Plugins

1. ShareThis provides a widget for easily sharing content found online with others through social networks, social news sites, and other online services. Users can also email content to friends with the widget.
   The first version of the widget was launched in November 2007. …
2. AddThis is the #1 bookmarking and sharing button on the Internet. AddThis has become the standard button for bookmarking and sharing. The AddThis button spreads your content across the Web by making it easier for your visitors to bookmark and share it with other people, again…

Social News

1. Digg is a place for people to discover and share content from anywhere on the web. From the biggest online destinations to the most obscure blog, Digg surfaces the best stuff as voted on by our users. You won’t find editors at Digg — we’re here to provide a place where people can collectively determine…
2. Mixx is a user-driven social media web site that serves to help users submit or find content by peers based on interest and location. It combines social networking and bookmarking with web syndication, blogging and personalization tools. Users of Mixx can control a personalized blend of web content that includes text-based articles..

Social Networking Applications

1. Ping.fm is a free social networking and micro-blogging web service that enables users to post to multiple social networks simultaneously.
   Making an update on Ping.fm pushes the update to a number of different social websites at once. …
2. Twitterfeed allows you to feed your blog into Twitter. You provide the URL of a blog’s RSS feed and how often you want posts to Twitter, and twitterfeed does the rest. Create a new twitter user at twitter.com (or use your existing one) this twitter user is going to be the one twitterfeedposting your blog entries…

Social Bookmarking

1. Delicious (formerly del.icio.us, pronounced “delicious”) is a social bookmarking web service for storing, sharing, and discovering web bookmarks. The site was founded by Joshua Schachter in 2003 and acquired by Yahoo! in 2005. It has more than five million users and 150 million bookmarked URLs. ..
2. StumbleUpon is an Internet community that allows its users to discover and rate Web pages, photos, and videos. It is a personalized recommendation engine which uses peer and social-networking principles.
   Web pages are presented when the user clicks the “Stumble!” button…

Search & Social Search

1. Google search is a Web search engine owned by Google, Inc., and is the most used search engine on the Web. Google receives several hundred million queries each day through its various services. Google search was originally developed by Larry Page and Sergey Brin in 1997.
2. Scour‘s purpose is to bridge the gap between searchers and relevant results. By providing a platform for the user to vote and comment on relevancy, searchers connect with one another creating a true social search community, attained through innovative solutions to meet the needs of today’s web searchers.

Sports & Fitness

1. Gyminee is a new social network focused on health and fitness, with work out and tracking tools included in its service. The site is not yet live, but I got to test drive the private beta. There are two main components of the site: your locker room, and your workouts. ..
2. OneSeason.com, an online sports entertainment company, today unveiled the first sports trading platform in the United States that uses real money. Created by sports fans, for sports fans, OneSeason.com enables users to compete, interact and have a vested interest in their passion.

Photo Sharing

1. Flickr is an image and video hosting website, web services suite, and online community platform. It was one of the earliest Web 2.0 applications. In addition to being a popular Web site for users to share personal photographs, the service is widely used by bloggers as a photo repository..
2. Picasa Web Albums (PWA) is a photo-sharing web application from Google, often compared to programs like Flickr and Zooomr. It allows users with accounts at Google to store and share 1 GB of photos for free. Users can purchase more storage space, which can be shared between Google services..

Video Sharing

1. Founded in February 2005, YouTube is the world’s most popular online video community, allowing millions of people to discover, watch and share originally-created videos. YouTube provides a forum for people to connect, inform, and inspire others across the globe and acts as a distribution platform..
2. http://www.vimeo.com/

Start Pages

1. Google search is a Web search engine owned by Google, Inc., and is the most used search engine on the Web. Google receives several hundred million queries each day through its various services. Google search was originally developed by Larry Page and Sergey Brin in 1997.
2. http://www.netvibes.com/

Places & Events

1. http://doodle.com/
2. http://www.eventbrite.com/

Travel

1. http://www.tripit.com/
2. http://geckogo.com/

Music

1. http://last.fm/
2. http://pandora.com/

Social Shopping

1. http://www.wishpot.com/
2. http://www.tigerbow.com/
3. http://www.pikaba.com/

Fashion

1. http://coolspotters.com/
2. http://www.giftgirl.com/

Celebrity & Gossip

1. http://perezhilton.com/
2. http://popvine.com/

Mobile Applications

1. http://evernote.com/
2. http://qik.com/

Dating & Romance

1. http://www.speeddate.com/
2. http://www.okcupid.com/

Wiki

1. http://wikipedia.org/
2. http://pbwiki.com/

Politics

1. http://www.huffingtonpost.com/
2. http://www.createdebate.com/

How-to

1. http://www.ehow.com/
2. http://www.howcast.com/

Environmental

1. http://thinkgreen.com/
2. http://www.socialvibe.com/

Non-Profit Causes

1. http://www.socialvibe.com/
2. http://kiva.org/

Online Games

1. http://playfish.com/
2. http://www.kongregate.com/

Niche Social Networks

1. http://us.wadja.com/
2. http://www.lifeblob.com/

Source: Mashable.com