Board Thread:New Features/@comment-44722369-20201020011558/@comment-168424-20201020012211


 * Slack
 * Google Hangouts
 * MS Teams
 * Skype
 * WhatsApp
 * Telegram

...are some ones from well-known companies, but if your parents won't let you use Discord, I don't see why they would let you use anything similar unless they are forbidding it based on hearsay.