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.
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
Zube - Project management for developers.