ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
LightShot - The fastest way to take a customizable screenshot.
Plivo - Plivo simplifies your customer engagement.