Dugonja

This plugin will enhance security of your WordPress site by disabling password reset function over email of WordPress. 
Use with caution since otherwise if you forgot your user password you will need to reset the password directly in the database with phpmyadmin or similar tool. 
Adittionally this plugin will hide notice which say what is wrong “password” or “username” on WordPress login page.

Disable Password Reset

Enhance security of your blogs by preventing password reset over email function.

WebFactory

If you need more reset tools install the free, advanced <a href="https://wordpress.org/plugins/wp-reset/" rel="ugc">WP Reset</a> plugin. It has a lot more reset tools to individually reset plugins, themes, transients and media. You can also create database snapshots to restore your WP site with one click if you make a mistake.
The WordPress Database Reset plugin allows you to reset the database (all tables or the ones you choose) back to its default settings without having to go through the WordPress 5 minute installation or having to modify any files.
Features
<ul>
<li>Extremely fast one click process to reset the WordPress database tables</li>
<li>Choose to reset the entire database or specific database tables</li>
<li>Secure and super simple to use</li>
<li>Safe – it’s not possible to accidentally click reset</li>
<li>Prefer the command line? Reset the database in one command</li>
<li>Excellent for theme and plugin developers who need to clean the database of any unnecessary content</li>
</ul>
Command Line
Once activated, you can use the WordPress Database Reset plugin with <a href="http://wp-cli.org/" rel="nofollow ugc">WordPress CLI</a>. List of WP-CLI commands:
Reset all tables:
<pre><code>wp reset database
</code></pre>
Specify a list of tables to reset:
<pre><code>wp reset database --tables='users, posts, comments, options'
</code></pre>
The current theme and plugins will be reactivated by default. You can disable them like so:
<pre><code>wp reset database --no-reactivate
</code></pre>
List table names:
<pre><code>wp reset list
</code></pre>
Support
Create a new post in the <a href="https://wordpress.org/support/plugin/wordpress-database-reset" rel="ugc">WordPress Database Reset support forum</a>.
Want to help out?
<ul>
<li>Provide new <a href="https://translate.wordpress.org/projects/wp-plugins/wordpress-database-reset" rel="nofollow ugc">language translations</a></li>
<li>Want to help others that might be having issues? <a href="https://wordpress.org/support/plugin/wordpress-database-reset" rel="ugc">Answer questions on the support forum</a>.</li>
<li>Rate the plugin – <a href="https://wordpress.org/support/plugin/wordpress-database-reset/reviews/#new-post" rel="ugc">rate it</a></li>
</ul>
WP Database Reset was originally developed in October 2011 by <a href="https://github.com/chrisberthe" rel="nofollow ugc">Chris Berthe</a>. Please do not send him any support questions. If you need assistance the <a href="https://wordpress.org/support/plugin/wordpress-database-reset/" rel="ugc">official forum</a> is the best and fastest way to get it.

Database Reset

Thank you, its cool and quick for dev tasks

Useful tool for developers

Skip reinstalling WP to reset it & reset the WordPress database back to its original state with 1-click.

Disable Password Reset vs Database Reset