Apple Watch Series 3 - Apple's newest internet-connected smartwatch
Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
FlickType - Text comfortably, straight from your wrist ⌚️
TextMe - TextMe is a free calls and messaging application at both local and international levels.
Mi Smart Band - Xiaomi's budget wearable now with a bigger AMOLED display
Talkatone - Android App on. Google Play. Stop paying for cell minutes, texts & landlines; Turn your iPad or iPod touch into a phone; Call/Text even in areas with bad cell coverage; Call/Text when travelling without paying for expensive international minutes.