Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
TollFreeForwarding - TollFreeForwarding offers hosted PBX, call forwarding and IVR solutions.
TextMe - TextMe is a free calls and messaging application at both local and international levels.
Loop Communications - Loop Communications provides hosted VoIP business phone systems to small businesses and mid-sized companies.
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.
Vonage - Vonage is a cloud-based all-in-one VoIP software solution designed for multiple industries such as accounting, healthcare, finance and marketing etc.