Ottspott - Add a powerful phone platform to G Suite and Slack. Instant set-up, no long term contracts. Secure, global, scalable. Integrates seamlessly with your preferred business apps.
Callmama - Get cheap international calling, international virtual number, Call Mama Gives an added advantage to send message and make calls to non-user of Callmama App.
Yodel - Group photo and video sharing. Create stories with friends, join stories from around the world.
CallHippo - Easy to use Phone System with World-Class Support
OpenPhone - Simplest way to own a business phone number
KrispCall - Virtual cloud phone system for business