Dirk Riehle's Industry and Research Publications

Tag: Evergreen

  • If GitHub was like Berlin…

    If GitHub was like Berlin…

    Much open source research assumes that all open source projects are alike and that if you take enough of them, you can claim generalizability for your conclusions. GitHub is the main source of such mischief, because of its size and availability. If GitHub was like Berlin, and projects on GitHub were like the people of…

  • There is no (Scrum) product owner

    There is no (Scrum) product owner

    One of the most difficult aspects of Scrum is the role of the product owner. Most software vendors have a product management function, typically split into strategic and technical product management. Technical product management is usually equated with Scrum’s product owner role, that is, the guy or gal who writes business-value-oriented user stories and epics,…

  • Agile feature teams vs. inner source

    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…

  • Paid vs. volunteer open source work in China 1 / 3

    Paid vs. volunteer open source work in China 1 / 3

    In 2014 we published a study on paid vs. volunteer work in open source, using a representative sample of open source projects from 2008 (i.e. before GitHub). In 2008, open source activity was decidedly Western, with little contributions from China. In 2017, I finally found a student to redo the analysis for China. More specifically,…

  • The challenge of product management in commercial open source

    The challenge of product management in commercial open source

    Open source is a viable business strategy for software vendors to disrupt existing markets and conquer new ones. Just why is it easy in some markets and hard in others? I argue that you need to cut the product in such a way that there is a clear separation between what a never-paying community-user wants…

  • The cardinal sin of commercial open source?

    The cardinal sin of commercial open source?

    Redis is a popular open source database. Its proprietor, Redis Labs, recently announced that some add-on modules will not be open source any longer. The resulting outcry led to a defense and explanation of this decision that is telling. I have two comments and a lesson about product management of commercial open source. The two…