Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
TinyWall - Lightweight and non-intrusive firewall
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
Plivo - Plivo simplifies your customer engagement.
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.