On my previous post I wrote how to send images with Bitmessage . In a similar way you can also send any type of file but you may need some extra cut/paste and writing commands.
If you run your Bitmessage client with nohup (like I am suggesting in this article ) you can view the statistics about nodes that are currently online:
The Bitmessage client is still in very early version. It don't support folders, filters, tags, attached files (in easy way). There is no even simple search. But you can send images and other files using Data URI scheme .