Simplicityis the key tohappiness. Happinessis a state in which there are no problems. Science and technology enrich this state with delightfully sustainable complications.

We do not do evil*, as defined byUltimate Lawwhich is our charity of choice.

Our guiding principle is to satisfy the customer through early and continuous delivery of valuable software.

We believe that working software is the primary measure of progress.We aim to deliver working software frequently, from acouple of weeks to a couple of months, with apreference for ASAP.

We welcome changing requirements, even late inproject lifecycle.

We useeffective methodsto harness change for the customer's advantage.The required behaviour of the final executable program is specified as an abstract which is then refined by a series of correctness-preserving transformations into the final product.

The best outputs emerge fromteams which are free toself-organize.We build projects around motivated individuals,givethem environment and tools they need and trust them to get the job done.Our methods make sustainable development possible.The sponsors, developers and users should be ableto maintain constant pace indefinitely.


Working Softwareover Comprehensive Documentation

Responding to Changeover Following a Plan

When working with people, weprioritise:

Customer Collaborationover Contract Negotiation

Individuals and Interactionsover Processes and Tools

That is, while there is value in the items on the right, we value the items on the left more :)

We love what we do so we practice what we say, every day.

*We do not do evil forever and ever, unlike ourpredecessors;)

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