These are some of the books and resources that we have used extensively and highly recommend.
Expand the relevant sections below.

Startup and Lean Principles

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Perhaps a seminal work in our time, The Lean Startup has created a revolution in how startups start up.

A precursor to The Lean Startup and probably the most detailed deconstruction of the Customer Development process.

A unique approach to capturing and iterating your business model concisely and effectively.

Combining ideas from the above to create a strategy for achieving a “product/market fit”.

Case studies, illustrations, tips, tricks and insights into how visionaries succeed.

Written as a fictional story, this is a fantastic embodiment of the principles of Lean from one of the foremost thinkers in this domain.

Kanban is a workflow management technique related to one of the fundamental principles of Lean: reducing work in progress.
Rails is an open-source web application framework written in and running on Ruby. Ruby on Rails is very popular with startups due to the incredible productivity it makes possible and the exceptional community and resources that are available around it, such as Ryan Bates’s Railscasts.

Heroku is a cloud-based Platform as a Service (PaaS) for modern web applications. Heroku hosts an entire platform supporting all major web technologies. Simply upload code to Heroku using Git and it is automatically deployed and hosted.