Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
AssemblyAI - Speech Recognition for Everyone and Everything.
TextMe - TextMe is a free calls and messaging application at both local and international levels.
Deepgram - Search engine for speech
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.
Speechly - Our tools help software development teams improve their products by removing friction from the touch screen experience by bringing in the voice modality.