id3lib

As a software development library, id3lib is an impressive and versatile tool that can handle reading, writing, and manipulation of ID3v1 and ID3v2 tags across different platforms. The best part about id3lib is that it's free and open-source, allowing developers to save on costs while enjoying its benefits.

The id3lib project is constantly evolving, with developers working hard to ensure full compliance with the ID3v2 standard. Additionally, portability across multiple platforms is another key goal of the project. This means that whether you are using a Windows, macOS or Linux operating system, you can rely on id3lib to function seamlessly.

The API of id3lib is what sets it apart from other software development libraries. With its powerful and feature-rich API, developers can leverage the full functionality of the library with ease. They can also have peace of mind knowing that the implementation of id3lib is highly stable and efficient.

In summary, id3lib is an excellent tool for developers looking to work with ID3v1 and ID3v2 tags. The fact that it's free, open-source, portable and has a powerful API makes it an excellent choice for developers across various platforms.