HMTMAA - Clever tool to estimate cost of building an app

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.

Lean Canvas - Business plans take too long to write, are seldom updated, and almost never read by others but documenting your hypotheses is key. Lean Canvas solves this problem using a 1-page business model.

Redmine - Flexible project management web application

Omni Calculator - Helping you make rational decisions, one calculation at a time.

Basecamp - A simple and elegant project management system.