Show HN: Metaesn – manage resource essences, like but beyond bookmark manager

Metaesn is resource essence management system, like but beyond bookmark manager, which manages resource essences, resource metadata, or resources (bookmarks, notes, articles, ideas, code, lyrics, excerpts, snippets, recipes, etc.)

Metaesn manages resources by concise descriptions in order to get, understand, organize and use the resources better.

The main features:

- Innovative Data Model (Resource-Instance-System) - Practical and Flexible Data Organization

  Use systems (like folders), instances (like files or snapshots),
  and keywords (like tags) to organize resources.

  Multiple different instances for a resource can be created to suit different situations
  and all of them point to the resource.

- Clean, Accurate, Practical, Efficient, and Responsive UI - Security and Privacy

  No ads, No trackers.

  Your data is your data, and can export all your data at any time.

- Import and Export Data

  Import data from bookmarks backup file (HTML or JSON) or exported backup file.

  Export all or part of data to bookmarks backup file (HTML or JSON).

  Of course, you can import the data into another place(e.g. Firefox, Chrome)
  because of the common formats of the backup files.

- Multiple Use Cases

  - Manage bookmarks
  - Collect resources
  - Write notes, articles, ideas, pieces of text, etc.
  - Help analysis or thinking
  - Manage tasks
  - You can develop other use cases

- More Features are Coming

  - More settings
  - Internal URL
  - Markdown format
  - etc.