Rakuten Viber is not available for Mozilla Firefox but there are a few alternatives with similar functionality. The best Mozilla Firefox alternative is Messenger for WhatsApp, which is free. If that doesn't work for you, our users have ranked more than 100 alternatives to Rakuten Viber, but unfortunately only two of them are available for Mozilla Firefox. If you can't find an alternative you can try to remove all filters.
Messenger for WhatsApp™ (WA Messenger) is a wrapper for WhatsApp Web. It loads WhatsApp Web in toolbar popup UI and has badge icon text notification for all new conversations (even if toolbar popup is closed).
With group calls up to 256 users, Video4sure is an easy way to make video calls or setup group meetings. No need to register, install or pay. As soon as you visit the home page, it generates a unique invite link that you can share with your contacts.
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