Explore strategies for sustainable open source development in this 36-minute conference talk by Per Ploug Krogslund from Spotify AB. Learn about Spotify's three-pronged approach to supporting open source projects: funding with money, allocating employee time, and establishing business models. Discover how the company implements its FOSS fund, measures internal project contributions, and sets guidelines for leadership to encourage open source participation. Examine the case study of Backstage, donated to CNCF, as an example of creating a commercial ecosystem around an open source project. Gain insights into concrete strategies and initiatives that drive open source sustainability, promote diversity, and mitigate risks associated with adopting open source projects. Delve into topics such as maintainer principles, goal setting, contribution metrics, project funding, and commercialization models for open source software.