Scrumpy - A simple, beautiful and agile project management software

Nifty - Manage projects, work, and communications in one place.

Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

Product Frameworks - Discover product frameworks used to help build products

Mohalla - Mohalla is a top-rated app that lets you discover new people, join private or public chat rooms, have fun while watching videos or playing games together with other members, and build long-lasting friendships.

Project Management Core Concepts - Book on core concepts of project management in plain English