Basecamp
Used by 27 peoplebasecamp.com ↗

“For managing projects in the office we use Basecamp, after searching for the "perfect" project management software which I'm convinced doesn't exist.”
Emily Morse Interview, Sexologist, podcaster · via Uses This 
“And Basecamp to communicate with our clients.”
Mike Monteiro Interview, Designer, director (Mule) · via Uses This 
“HOLO lives and breathes through Basecamp where our project manager Sherry Kennedy keeps us organized and on-time(ish) with deadlines.”
Greg J. Smith Interview, Editor (HOLO), designer · via Uses This 
“Quite Strong and I use Basecamp for all of our collaboration and communication, though we frequently lament the loss of Google Wave, the most perfect collaboration tool created.”
Jana Kinsman Interview, Illustrator, beekeeper · via Uses This 
“If I'm collaborating with others and need a bit more structure, I'll use Basecamp to organize everything.”
Zara Gonzalez Hoang Interview, Designer, illustrator, developer, screen printer · via Uses This 
“We keep track of everything with 37signals's Basecamp.”
Jeffrey Zeldman Interview, Web designer, fan of Web Standards · via Uses This