txtinn^ is a new Basecamp extra. It's a simple SMS application that allows Basecamp users to create, schedule and monitor mobile SMS notifications and SMS campaigns.
It integrates seamlessly into your everyday use of Basecamp, making it simple to schedule SMS broadcasts, associate them with your projects and complete milestones.
"With txtinn^s integration into Basecamp, your SMS broadcasts will be automatically assigned to your chosen project. Each text message will appear as a Milestone in Basecamp and be visible to your teammates and clients, keeping everyone on the pulse of your communications."
It's free to sign up or you can view the different plans available.
