Is Inner Source Collaboration Like Shipping Boxes Between Companies? (Hint: No!!)

Most corporate compliance departments believe developer collaboration in inner source projects is like shipping boxes with stuff (products) between the involved parties, for example, companies in a holding. Therefore, they don’t have to change anything about tax accounting and transfer pricing.

They couldn’t be more wrong.

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Inner Source and Work-from-Home

Inner source is the use of open source best practices inside companies to develop shared components for use in the company’s products. Inner source software doesn’t have to become open source (but might). Like open source software development, inner source software development is inherently asynchronous, distributed, and multi-timezone.

Inner source is a match made in heaven for the new world of work-from-home.

All signals are clear: Many people love working from home, and developers are no exception. They will only return to the office, if forced, and it will come with a price for the company. Hence, those companies will be better off which can make work-from-home work out for their developers. This is in clear conflict with agile methods practices of co-location, regular stand-ups, etc.

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Escalating Levels of Complexity in Inner Source Projects

Yesterday, I discussed what makes a good pilot project in inner source. The main thrust of the suggestion was not to start with a big bang but rather to choose a relevant but not too large project. This begs the question of complexity of projects, specifically viewed from an inner source perspective. How should you escalate and grow your ambition for inner source projects? I see a 1 + 3 structure of levels.

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Upcoming Talk on Ten Years of Inner Source Case Studies at UC Santa Cruz

Abstract

Inner sourcing is the use of open source best practices within companies to improve engineering productivity. In 2006, I introduced inner source to SAP. After becoming a professor, my group helped further companies introduce inner source to their engineering organizations. Using three generations of projects, we report about our experiences and how we are turning those into a practical handbook for inner source governance.
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Internal Component Marketplaces vs. Transfer Pricing of Inner Source

I was recently asked why I argue against company-internal marketplaces for software components yet emphasize the need for pricing components that cross company boundaries within the same holding company (also known as transfer pricing). The answer is simple: Setting up an internal marketplace is a managerial choice and pricing the movement of code (IP) across company boundaries is a taxable event that you need to deal with: It is not a choice.

Let me take it in steps.

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Agile Feature Teams vs. Inner Source

Agile methods reacquainted developers with the idea of working from business value rather than focusing on technical concerns only. Agile methods are therefore often equated with feature-driven development, in which work is driven by features prioritized by business value irrespective of technical consequences. This thinking can create code silos and wreak havoc on software architecture and component quality. Developer complaints are legion, in particular for never getting the time to fix things or do them right in the first place.

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Ten Years of Inner Source Case Studies (Video)

Georg Grütter of Bosch recorded my keynote at the Inner Source Commons summit in Renningen, Germany, on May 16th, 2018, and put it on Youtube. Please watch it below (original video, local copy).

According to Georg, the video is licensed under CC BY-SA 3.0 (for the Bosch part) and I agree (for my part). Hence © 2018 Dirk Riehle, Robert Bosch GmbH (Georg Grütter and perhaps some other undetermined parties). The original title of the video recording that Georg gave it is “Prof. Dr. Dirk Riehle on the ISC.S6 – Ten Years of InnerSource Case Studies And Our Conclusions”.