The best place to start if you need help with a specific product is to contact the developer. All WHMCS Marketplace developers have both a website and support URL listed.
Fixed issue with manually changed price in invoices. Many improve and increase stability
Support Subscriptions Fixed typos Notification by SMS for customers about status of payments
Amplica.md already using it and love it Supporting credit cards, paypal, bitcoins Payout to paypal, bank wire and cryptocurrencies
CleanHTML Invoice and Quote Free template.
Office 365, Microsoft 365 and up to a 1,000 Microsoft cloud solutions, completely automated! + Azure usage added soon
Send account statements to customers
This module allows you to place product description on invoices
Allow your clients to automatically login from Invoice Emails