Discover essential tools for maintaining open source Python projects in this 46-minute talk from EuroPython 2020. Explore a comprehensive range of freely available resources that address common challenges in software development, including packaging, distribution, licensing, virtual environments, testing, continuous integration, version control, community management, project management, and documentation. Learn how to leverage these tools to streamline your development process, improve project quality, and foster a thriving contributor community. Gain insights into best practices for cross-language and cross-platform development, with a focus on Python projects on Linux.