isaacwedin

<p>This plugin automatically creates a title for posts that do not have one. If the post contains text, the title is set to the first few characters of the post. For posts without any text content, the title is set to a configurable untitled post string.</p>
<h3>Credits</h3>
<p>This plugin is based on ideas from the Prologue theme and Luke’s Default Post Title plugin.</p>


Titlematic

Automatically generates a title for posts without a title.

Brandon Kraft

Dojo Digital

<p>This plugin allows the author of a post or page to hide the title and it’s containing HTML element from the single view ( is_singular() ).</p>


Hide Title

Allows authors to hide the title on single pages and posts via the edit post screen.

Titlematic vs Hide Title