NEJS Conf` created an anonymous code of conduct reporting app to ensure a safe environment for attendees, with the help of developer `John Hobbs`. The app forwards messages and calls to volunteers anonymously, allowing users to report incidents without fear of retribution. John built the app in just a few lines of XML, and is sharing it openly on GitHub as part of his effort to give back to the community. By making this tool available, NEJS Conf aims to create a welcoming environment for all attendees, regardless of their background or identity. The importance of building a safe environment cannot be overstated, especially in tech communities where anonymity can be a concern.