We are pleased to announce the release of  WS Close Account 3.3.0 for WHMCS.  This release includes updates and bug fix

Changelog

We are pleased to announce the release of WS Client Notifications 5.0.3 for WHMCS. This release includes bug fixed

Changelog

We are pleased to announce the release of WS Client Limitation 3.0.0 for WHMCS. This release includes new feature

Changelog

We are pleased to announce the release of  WS Cancellation 3.2.0 for WHMCS.  This release includes updates

changelog

WS Uptimre Status 1.3.0 for WHMCS Now Available! This version contains Added and Update

check changelog 

Hexa Extra Template

You can edit header.tpl file (header.tpl.new can be renamed to header.tpl in overrides folder). Overrides folder will help with keeping customization during updates.
The navbar li item can be duplicated and customized for your needs.

<a href="/index.php?m=supportpin">Support Pin</a>

Version 4.5.x you don't need to edit any template you can do of the Hexa Extra Menu

Flattern Extra Template

You can edit header.tpl file (header.tpl.new can be renamed to header.tpl in overrides folder). Overrides folder will help with keeping customization during updates.
The navbar li item can be 

<li><a href="index.php?m=supportpin">Support Pin</a></li>

We are pleased to announce the release of Email Verification Extended for WHMCS v6.0.0 top module in WHMCS MarketPlace

Check Changelog here

Hexa Extra Template
You can edit header.tpl file (header.tpl.new can be renamed to header.tpl in overrides folder). Overrides folder will help with keeping customizations during updates.
The navbar li item can be duplicated and customized for your needs.

<a href="/index.php?m=clientnotify">Notification Settings</a>

Version 4.5.x you don't need to edit any template you can do of the Hexa Extra Menu

Flattern Extra Template

You can edit header.tpl file (header.tpl.new can be renamed to header.tpl in overrides folder). Overrides folder will help with keeping customization during updates.
The navbar li item can be 

<li><a href="index.php?m=clientnotifyn">Notification Settings</a></li>

1) Auto-terminate: It's closing account and terminating client service.

2) Inactivate Account: Admin can set x days from module configuration and module inactivate the unverified client after x days of registration

3) Delete Account: An option to delete an unverified account with no active order and its users after x days of registration. This will permanently delete the account from the WHMCS system

If this is hosted on a cPanel server with 200 other sites (where WHMCS is hosted) how much impact will it have on the other sites if CloudLinux is not used?

ANS: their is np to you use in shared hosts but we recommend to use in VM or dedicated, everything about the processing time and how much servers need to monitor, I can tell if you have many monitors you time is important and other is OK