duncanjbrown

If your blog has multiple users, this widget will display posts by the currently logged-in user in a dashboard widget.

My Latest Posts Dashboard Widget

This plugin displays the latest posts by the currently logged-in user in a dashboard widget.

flocsy

Authors Widget shows the list or cloud of the authors, with the number of posts, link to RSS feed next to their name, avatar. It is useful in a multi-author blog, where you want to have the list in the sidemenu. 
The widget can also display an “Author Cloud” if <a href="https://wordpress.org/extend/plugins/seo-tag-cloud/" rel="ugc">SEO Tag Cloud plugin</a> is installed.

Authors Widget

Authors Widget shows the list or cloud of the authors in the sidemenu.

My Latest Posts Dashboard Widget vs Authors Widget