Contributing to and using open-source software is a valuable practice for students, hobbyists, and professionals in various technology fields. Open-source software offers many benefits, such as transparency, reproducibility, collaboration, and innovation. However, contributing to and using open-source software also poses some challenges, such as quality assurance, documentation, licensing, and sustainability. In this session, we present an overview of the current state of open-source software and discuss some best practices and recommendations for both contributors and users. I will also highlight some of the opportunities and future directions for open-source software development and adoption.