UXArchive
UXArchive is a useful reference for mobile design, specifically a library of user flows from various apps. I find it good for quickly seeing how common patterns are implemented across different applications.
UX entries
Mini UX Course
I found this to be a nice resource to start a UX journey, specifically for understanding how to design better confirmation prompts by focusing on action labels over generic 'Are you sure?' questions.
User flows inspirations
This is a solid resource for designers to inspect user flows from popular applications. It provides detailed examples across various platforms and flow types, which I find invaluable for understanding current UX patterns.
Dark Patterns
This resource defines and categorizes various dark patterns, detailing manipulative UI/UX techniques designed to mislead users into unintended actions. It's a useful reference for identifying common deceptive design practices.