Condless

WooCommerce plugin that sets default attribute for variable products automatically if only 1 option is in-stock.
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Variable product of T-shirt with color attribute (White/Blue/Black) and size attribute (S/M/XL): 
If only Black T-shirts are in-stock: default color (Black), default size (none). 
If only Small T-shirts are in-stock: default color (none), default size (Small). 
If only White and XL T-shirts are in-stock: default color (White), default size (XL).
<h4>How It Works</h4>
<ol>
<li>Before product variations is displayed to the customer, the plugin will check each attribute, and if there is only 1 in-stock option it will be set as the default.</li>
</ol>
<h4>Features</h4>
<ul>
<li>Stock: Set option as default when it’s the only 1 in-stock.</li>
<li>Per Attribute: Set specific option as default in all products with that attribute (from the Edit Attribute screen)</li>
<li>Top: Set as default the first option of each attribute.</li>
<li>Out of stock: Disable out of stock variations.</li>
<li>Add to Cart button: In archive pages display for variable products the attribute name instead of: “Select options”.</li>
<li>Select options: In single product pages remove the select options text if default attribute is set.</li>
</ul>

Default Attributes for WooCommerce

WooCommerce plugin that sets default attribute for variable products automatically if only 1 option is in-stock.

kilinkis

This plugin has the hability to change the title of all the images attached to a post by inserting a new title for them all.
The plugin lists the posts on a table which you can order by name or category and each row has an input field which applies (with ajax), the input value to the title of all the images attached to that post.
This plugin uses Matt Van Andel class (which extends WP_List_Table) to use official WordPress API to create the tables. 
I want to thank @nh3ad who helped me on this development.

Attached images title editor

This plugin has the hability to change the title of all the images attached to a post by inserting a new title for them all.

Default Attributes for WooCommerce vs Attached images title editor