The article discusses the joy of writing toy software, which refers to small, personal projects that are not intended for production use. The author argues that working on toy software can help developers remember why they started coding in the first place and can be a great way to learn new skills. The article also touches on the idea that the beauty and craft of writing software is being eroded by the increasing use of AI and the commodification of software development. The author provides a list of toy software projects they have worked on, along with estimated difficulty levels and completion times.