Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
TubeBuddy - The Premier YouTube Channel Management and Optimization Toolkit
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
DemandSphere - DemandSphere is an advanced-level software that helps marketers to create the best digital appearances of their brands.
Plivo - Plivo simplifies your customer engagement.
VidIQ - Generate tags for YouTueb Videos. Works as a browser extension .