Sarah Lewis

This is a super-simple plugin. It does one thing: move the title field under the editor box when you’re writing a post.

Title After Editor

If you'd rather write your post title AFTER you write your post, this plugin moves the title field under the editor box.

Sergey Biryukov

Samuel Wood (Otto)

In core ticket <a href="https://core.trac.wordpress.org/ticket/28206" rel="nofollow ugc">#28206</a>, the editor was modified to have a Link Text field instead of a Title field.
This plugin adds the Title field back.

Restore Link Title Field

Adds back the missing "title" field in the Insert/Edit URL box in WordPress 4.2

Title After Editor vs Restore Link Title Field