ProseMirror VS GitHub for Atom

• Highly Customizable
  ProseMirror offers a highly flexible and customizable framework, allowing developers to tailor the editor to fit specific requirements, from schema design to collaborative editing features.
• Rich Text Capabilities
  It supports complex rich text editing capabilities like tables, lists, and image embedding, making it suitable for sophisticated content editing tasks.
• Collaborative Editing
  ProseMirror has robust support for collaborative editing out-of-the-box, enabling multiple users to edit documents simultaneously with minimal conflict.
• Active Community
  An active community and extensive documentation ensure that developers can find support and resources to resolve issues and leverage shared knowledge.
• Performance
  Designed for high performance, ProseMirror efficiently handles large documents without significant slowdowns, optimizing rendering and operational transformations.

Possible disadvantages

• Steep Learning Curve
  ProseMirror's powerful features come with complexity, leading to a steep learning curve for new developers unfamiliar with its API and architecture.
• Limited Plugins
  While customizable, the ecosystem of ready-made plugins is not as extensive as some other editors, which could require more custom development effort.
• Lack of Built-in Features
  Certain high-level features, such as specific UI components or integrations, are not provided out of the box, requiring additional implementation.
• Complex Configuration
  Setting up and configuring ProseMirror can be complex, especially for newcomers, due to the numerous options and concepts to understand and implement.

• Seamless GitHub Integration
  Atom by GitHub provides seamless integration with GitHub, allowing users to easily manage repositories, perform version control operations, and collaborate on projects directly from the editor.
• Customization
  Atom is highly customizable, allowing developers to tailor the editor to their preferences with themes, color schemes, and packages that enhance functionality and user experience.
• Open-Source
  As an open-source editor, Atom encourages community contributions, offering a vast library of plugins and packages developed by other users to extend its capabilities.
• Cross-Platform
  Atom is available on multiple operating systems, including Windows, macOS, and Linux, ensuring a consistent development experience across different environments.
• Teletype for Collaboration
  The Teletype package allows for real-time collaboration within Atom, enabling users to share their workspace with others and work together seamlessly.

Possible disadvantages

• Performance
  Atom can be resource-intensive, particularly with large projects or numerous extensions installed, which may impact performance and speed negatively.
• End of Active Development
  GitHub announced the sunsetting of Atom effective December 2022, which means there will be no new features or active development moving forward, potentially affecting long-term usability.
• Complexity for Beginners
  The level of customization and plethora of features can be overwhelming to new users or those unfamiliar with configuring development environments.
• Competition
  With other powerful editors like Visual Studio Code gaining popularity due to better performance and active development, Atom faces strong competition in the market.

• 14 Best Open Source WYSIWYG HTML Editors
  itsfoss.com · Sep 2023

  ProseMirror is an exciting choice for free for users who want collaborative editing capabilities. Most of the WYSIWYG editors offer the collaboration feature for a premium. But here, you can work with others on the...

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  While Storyblok and Builder.io offer full-page editing experiences with structured CMS capabilities, Tiptap takes a different approach. It’s not a traditional page builder but rather an embeddable headless editor built on ProseMirror.... - Source: dev.to / over 1 year ago

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  > One thing I learned is that you should lean towards letting non-technical people choose their own tools like why we largely let developers choose their own tools. IMHO: I think a more sustainable variant of this (for your own sanity)... - Source: Hacker News / almost 2 years ago

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Tracking GitHub for Atom since Mar 2021.