hubcp

The Collabora Online WP plugin allows collaborative editing of office files with other users.
This requires a working setup of Collabora Online.
For more information about Collabora Online, see https://collaboraonline.com/
Attaching an office document to a post is simple.
<ol>
<li>Upload the document using the media manager</li>
<li>Insert the <code>collabora_online</code> shortcode or insert a COOL block in the editor.</li>
</ol>

Collabora Online WP

The Collabora Online WP plugin allows collaborative editing of office files with other users.

ccar10

Easily embed Brainshark presentations, documents or videos into your WordPress posts by copying the WordPress.com embed code.
More info at <a href="http://cco.brainshark.com" rel="nofollow ugc">Brainshark</a>.

Brainshark

Easily embed Brainshark presentations into your WordPress posts.

Collabora Online WP vs Brainshark