LoopMessage - LoopMessage is a perfect macOS tool for personalized mass messaging via iMessage/SMS, WhatsApp, Facebook Messenger, Telegram, Viber, and Skype.

Lyrics Training - A game where you fill in the lyrics of your favorite songs

WhatsMany - Send personalised WhatsApp messages in bulk

Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.

Promote Route - A Better WhatsApp™ Experience

Lyricsgaps - Learn Languages Online - Exercises Listening - Fill in the gaps