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The involvement of companies and public institutions in open-source software (OSS) has become widespread. While studies have explored the business models of for-profit organizations and their impact on software quality, little is known about their influence on OSS communities, especially in terms of diversity and inclusion. This knowledge gap is significant, considering that many organizations have the resources to enhance diversity and inclusion internally, but whether these efforts extend to OSS remains uncertain. To address this gap, we conducted interviews with maintainers of community-owned and organization-owned OSS projects, revealing tensions between organizations and their projects and identifying the impact of internal policies on OSS communities. Our findings reveal that, on the one hand, organization-owned projects often restrict external contributions due to stringent operating procedures and segmented communication, leading to limited external engagement. On the other hand, these organizations positively influence diversity and inclusion, notably in the representation and roles of women and the implementation of mentorship programs. 

Open-source software projects have become an integral part of our daily life, supporting virtually every software we use today. Since open-source software forms the digital infrastructure, maintaining them is of utmost importance. We present Climate Coach, a dashboard that helps open-source project maintainers monitor the health of their community in terms of team climate and inclusion. Through a literature review and an exploratory survey (N=18), we identified important signals that can reflect a project’s health, and display them on a dashboard. We evaluated and refined our dashboard through two rounds of think-aloud studies (N=19). We then conducted a two-week longitudinal diary study (N=10) to test the usefulness of our dashboard. We found that displaying signals that are related to a project’s inclusion help improve maintainers’ management strategies. 

While the severe underrepresentation of women and non-binary people in open source is widely recognized, there is little empirical data on how the situation has changed over time and which subcommunities have been more effectively reducing the gender imbalance. To obtain a clearer image of gender representation in open source, we compiled and synthesized existing empirical data from the literature, and computed historical trends in the representation of women across 20 open source ecosystems. While inherently limited by the ability of automatic name-based gender inference to capture true gender identities at an individual level, our census still provides valuable population-level insights. Across all and in most ecosystems, we observed a promising upward trend in the percentage of women among code contributors over time, but also high variation in the percentage of women contributors across ecosystems. We also found that, in most ecosystems, women withdraw earlier from open-source participation than men.