twtvite is an easy way to use Twitter to create an invite for your followers. It is a simple event management tool. Your friends and followers can RSVP as well. A great way to create a ‘tweetup’. [Read TechCrunch Review]

Lanyrd is a Social Conference Directory that helps you get the most out of conferences you attend. Using Lanyrd, you...
The Holiday Tweet Drive is a US-wide toy/clothing drive that will use social media to give back to children who...