PyCharm Professional is an integrated development environment (IDE) developed by JetBrains specifically for Python programming. It is a commercial version of PyCharm that provides additional features and tools compared to the free Community edition.

Some of the key features of PyCharm Professional include:

1. Advanced Code Editor: PyCharm Professional offers a powerful code editor with features like syntax highlighting, code completion, code inspection, and code formatting. It also supports various code navigation options for easy project exploration.

2. Intelligent Code Assistance: The IDE provides intelligent code assistance, including smart code completion, suggestions, and quick-fixes. It can analyze your code and offer suggestions for improvements, helping you write cleaner and more efficient code.

3. Django and Web Development Support: PyCharm Professional includes comprehensive support for web development using frameworks like Django, Flask, and Pyramid. It offers specialized project templates, integration with web servers, and debugging tools tailored for web development.

4. Database Tools: The IDE provides support for working with databases, including SQL database integration and a built-in database console. You can easily manage database connections, write SQL queries, and visualize query results.

5. Version Control Integration: PyCharm Professional integrates with popular version control systems like Git, Mercurial, and Subversion. It provides features like visual diff and merge, branch management, and seamless integration with code repositories.

6. Remote Development: The IDE allows you to work on remote machines or virtual environments through SSH, Docker, or Vagrant. You can edit code, run scripts, and debug applications on remote servers without leaving the IDE.

7. Profiling and Debugging: PyCharm Professional offers advanced debugging and profiling tools to help you identify and fix issues in your code. It supports remote debugging, breakpoints, stepping through code, and performance analysis.

8. Testing Frameworks: The IDE supports various testing frameworks such as unittest, pytest, and doctest. It provides tools for running tests, generating test reports, and analyzing test coverage.

9. Integration with Other Tools: PyCharm Professional integrates with a wide range of development tools and services, including build systems like Maven and Gradle, code quality tools, and issue trackers.

Please note that PyCharm Professional is a paid software product, and you need to purchase a license to use it. JetBrains, the company behind PyCharm, offers different licensing options, including monthly and yearly subscriptions, as well as discounted licenses for students and open source projects.