1. Python: Versatile, readable, and widely used.
2. Java: Platform-independent, object-oriented language.
3. C++: Powerful, efficient, and widely used in systems programming.
4. JavaScript: Essential for web development and dynamic content.
5. C#: Microsoft's language, ideal for Windows applications.
6. Ruby: Elegant syntax, known for its simplicity.
7. PHP: Server-side scripting language for web development.