Basecamp Personal - Manage all your small projects for free
Basecamp Personal - a completely free version of Basecamp designed with freelancers, students, families, and personal projects in mind. Use it for hobbies, weddings, small events, side projects, volunteer gigs, etc.
Shape Up - Book about product management from Ryan Singer of Basecamp
This book is a guide to how we do product development at Basecamp. It’s also a toolbox full of techniques that you can apply in your own way to your own process.