Discover how PyLadies Berlin has successfully increased women's participation in open source through their monthly HackNights events in this 11-minute conference talk from All Things Open 2023. Learn about the community-oriented approach that has led to an average of five pull requests merged per event and consistent attendance of 25 women. Explore the strategies used to create a safe, supportive environment that encourages women to contribute to open source projects. Gain insights into fostering inclusivity and diversity in the tech community, and understand how to replicate this successful model in other contexts.