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.
Windows 10 Firewall Control - Windows 10 Firewall Control: simple and exhaustive solution for applications network activity controlling and monitoring.
Plivo - Plivo simplifies your customer engagement.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...