Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.

Product School - The global leader in product management training

Teamgantt - Intuitive project planning and collaboration. Beautiful Gantt charts, task-level communication, file sharing, resource management and more.

The Product Manifesto - Product Managers face the biggest challenges of our day, which is why our community needs a common set of product principles.

Basecamp - A simple and elegant project management system.

Intercom on Product Management - The ultimate resource for aspiring product managers