Apps like Proofpoint Agent

Here are some great alternatives to Proofpoint Agent by Proofpoint Inc. :
Tailscale
Tailscale
★4.3
OpenVPN Connect – OpenVPN App
OpenVPN Connect – OpenVPN App
★4.5
Barracuda CloudGen Access
Barracuda CloudGen Access
★3.8
Absolute Secure Access
Absolute Secure Access
★3.5
UDP Guard
UDP Guard
★4.4
Asho VPN
Asho VPN
★4.4
V2me Vpn
V2me Vpn
★4.5
Act VPN - Nety Protect
Act VPN - Nety Protect
★4.7
NE TUNNEL PLUS
NE TUNNEL PLUS
★3.8
Kash VPN - IP Surfing
Kash VPN - IP Surfing
★4.3
Wiretun VPN Plus
Wiretun VPN Plus
★3.6
Giga vpn
Giga vpn
★4.1
GnuVPN: Security & High Speed
GnuVPN: Security & High Speed
★4.4
FBD VPN PRO
FBD VPN PRO
★3.7
FireballVPN - Secure, Fast VPN
FireballVPN - Secure, Fast VPN
★3.3
VPN XLock Pro - Expert Shield
VPN XLock Pro - Expert Shield
★4.2