Mashable's Open Web Awards

Mashable's 2nd annual Open Web Awards are now open for voting. There's a lot of great categories, so be sure to head over and cast a vote for your favorite websites. They even have a widget so you can host the vote on your blog.

Here are the categories:

• Mainstream and Large Scale Social Networks
• Embeddable Widgets
• Blog Plugins
• Social News
• Social Networking Applications
• Social Bookmarking
• Search And Social Search
• Sports and Fitness
• Photo Sharing
• Video Sharing
• Start Pages
• Places and Events
• Travel
• Music
• Social Shopping
• Fashion
• Celebrity and Gossip
• Mobile Applications
• Dating and Romance
• Wiki
• Politics
• How-To
• Environmental
• Non-Profit Causes
• Online Games
• Niche and Miscellaneous Social Networks

You can vote here.