Welcome to the community! 
Here are some tips (links):
Maintenance: How to run a stress-free EndeavourOS
Gaming: Linux gaming [Guide]
Bug Reports: [Wiki] How To Check Bug Reports
Scripts: Useful and "Use Less" Scripts
Apps (used by forum members): What application have you recently discovered?
Apps (listed on the Arch wiki): https://wiki.archlinux.org/title/List_of_applications