| Aspect | Selenium |
|---|---|
| What it is | A framework/library for automating browsers |
| Core purpose | Provides APIs to write scripts that control web browsers for automated testing |
| Level of abstraction | Low-level: requires coding in languages like Java, Python, C#, etc. |
| What it provides | - Browser automation APIs - Support for multiple languages - Flexibility to build custom automation frameworks |
| User target | Developers and testers comfortable with programming |
| Setup and maintenance | Requires setting up language bindings, WebDriver binaries, and frameworks |
| Extensibility | Highly extensible with custom code and third-party libraries like Katalon |