This are some screenshots of Bookmark Manager 4.0.0-pre4.

The main window of the Bookmark Manager.
The dock hides at the screen edge, like the Windows task bar.
Files can be opened by FTP.

You may mail your links.
This is the dialog for the Import of Internet Explorer favorites
There is an integrated check for double bookmarks

The link checker will find invalid links...
...and generate a statistic
After finishing the link check, you can list the most recently modified documents.