Scrumpy - A simple, beautiful and agile project management software
Software Product Management Stack - Resources & tools to help you manage your software product
edelsprint - A simple project management tool with built-in Scrum coach
The Product Management guide - A book on how to create and ship products that people love
Codegiant - Codegiant - Issue tracking, git repositories, continuous integration and documentation in a single platform.
Product Management Exercises - A repository of product manager job interview exercises