@tiptap/pm is a powerful toolkit for building rich-text editors in web applications. It is part of the Tiptap ecosystem, which provides a flexible and extensible framework for creating customizable editors. With its focus on modern web standards and a modular architecture, @tiptap/pm allows developers to create tailored editing experiences with ease. While @tiptap/pm offers a robust solution for rich-text editing, there are several alternatives available in the React ecosystem. Here are a few notable options:

• ckeditor5 is a feature-rich WYSIWYG text editor that provides a wide range of functionalities, including real-time collaboration, rich text formatting, and media embedding. CKEditor 5 is highly customizable and can be integrated into various frameworks, including React. Its extensive plugin ecosystem allows developers to extend its capabilities, making it suitable for complex applications that require advanced editing features.
• draft-js is a framework developed by Facebook for building rich text editors in React. It provides a set of APIs for managing content state and rendering text, making it easy to create custom editors with unique features. Draft.js is particularly well-suited for applications that require fine-grained control over text input and formatting, but it may require more effort to implement advanced functionalities compared to other libraries.
• quill is a modern rich text editor that offers a clean and intuitive user interface. It is designed to be easy to use and highly customizable, with a modular architecture that allows developers to add or remove features as needed. Quill is a great choice for applications that require a straightforward editing experience without the complexity of more extensive frameworks.
• slate is a highly customizable framework for building rich text editors. It provides a set of tools for creating complex editing experiences, including support for custom rendering and handling of content. Slate is particularly powerful for applications that need to implement unique editing features or workflows, but it may have a steeper learning curve compared to simpler alternatives.

To see how @tiptap/pm compares with ckeditor5, draft-js, quill, and slate, check out the comparison: Comparing @tiptap/pm vs ckeditor5 vs draft-js vs quill vs slate.