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2018-11-062020-05-10

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 …

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2018-09-252020-05-10

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 …

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2018-09-072020-05-10

Microservices vs. Inner Source

I just listened to Eberhard Wolff’s BED-Con talk on microservice-based system architectures, which he prefers to call Independent Systems Architectures (ISA). One purpose of calling it ISA is to emphasize that there should be no common data model and no shared reusable libraries between microservices. Obviously, by discounting reuse, ISA may increase development speed short-term …

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2018-07-052020-05-10

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 …

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2018-06-252020-05-10

Third Time’s the Charm: Ten Years of Inner Source Case Studies

Actually, I just notice it is the fourth time within the last two months, but tomorrow is the first time I’ll present our research on inner source in a public venue. If you are interested in ten years of case studies on how to use open source best practices within companies (called inner source), come …

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2018-06-112020-05-10

Why are There Only Two Research Groups Working on Inner Source?

I got asked the other day why there are only two research groups working on inner source world-wide. Inner source is the use of open source best practices within companies, and it is a hot topic with many companies who want to go beyond agile. There was varied research around the world in the past …

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2018-05-182020-05-10

But What if Someone Steals My Inner Source Code?

During my talk at the inner source summit, I was asked about the following worry with establishing inner source at a company: But if we lay all source code open within the company, don’t we run the risk that a disgruntled employee has it too easy to steal all code and publish it on the …

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2018-05-162020-05-10

Slides for Keynote at Inner Source Commons Summit at Bosch

Today, I gave a keynote at the 2018 spring Inner Source Commons summit at Bosch, in Renningen, Germany. I talked about our experiences with ten years of inner source projects at the companies we have been working with. The slides are available as a PDF. The photo above is from the first keynote of the …

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2018-04-092020-05-10

The Patch-flow Method for Measuring Inner Source Collaboration

Abstract: Inner source (IS) is the use of open source software development (SD) practices and the establishment of an open source-like culture within an organization. IS enables and requires developers to collaborate more than traditional SD methods such as plan-driven or agile development. To better understand IS, researchers and practitioners need to measure IS collaboration. …

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2016-12-122020-05-10

Inner Source Definition, Benefits, and Challenges

Abstract: Inner Source (IS) is the use of open source software development practices and the establishment of an open source-like culture within organizations. The organization may still develop proprietary software but internally opens up its development. A steady stream of scientific literature and practitioner reports indicates the interest in this research area. However, the research …

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