Brightkite is a great location-based social network developed using RubyOnRails that has been designed to fill the niche in social networks and allow you to meet and communicate with friends in your area as well as view their current location. Best part is they’re based here in Denver, CO. We need more innovative companies like Brightkite in Denver.

“Brightkite is a location-based social network that enables people to take their online profiles with them into the real-world and make real-world friends. Users can see where their friends are and what they’re up to all while maintaining comprehensive degrees of privacy to non-friends. Depending on a user’s privacy setting they can also be open to meeting others nearby.”