zaus

Insert cookie, session, page, or other kinds of values dynamically into Gravity Forms fields.
Similar to how <a href="https://wordpress.org/plugins/forms-3rdparty-dynamic-fields/" rel="ugc">Forms: 3rdparty Dynamic Fields</a> can insert dynamic values into the 3rdparty submission.

Gravity Forms Dynamic Fields

Dynamically fill fields with session, cookie, or other values, based on 'Forms: 3rdparty Dynamic Fields'.

Nomad Programmer

It will help you to make only one logged in at a time on WordPress sites. if user wants to log in two or other places than it will destroy all other sessions.
This Plugin uses function like WordPress 4.1, that have a button on the user profile screen which clears all other sessions, and on the user editing screen which clears all sessions. This plug-in can limit simultaneous login. This plugin use for every user automatically.
<h3>Licence</h3>
<a href="https://wordpress.org/about/gpl/" rel="ugc">GNU General Public License</a>

One Active session

Working till now

This plugin clears all other logged in sessions and allow only one login by one user

Gravity Forms Dynamic Fields vs One Active session