1. ng-select: A customizable select box component.
2. ngx-mask: A library for input masking and formatting.
3. ngx-translate: A tool for multi-language support.

Common Mistakes to Avoid

While mastering Angular forms, developers often make some common mistakes. Here are some pitfalls to avoid:

1. Overcomplicating forms when a simpler approach suffices.
2. Neglecting form accessibility for users with disabilities.
3. Ignoring browser compatibility issues.