What are some alternatives?
When comparing Tor and Avast, you can also consider the following products
Tor Browser - Tor is free software for enabling anonymous communication.
Pulse Secure - Pulse Secure provides a consolidated offering for access control, SSL VPN, and mobile device security. Contact Pulse Secure at 408-372-9600 to get a free demo.
StackPath - Secure Content Delivery Network, DDoS, WAF Service
Flexera Software Vulnerability Manager - Flexera Software Vulnerability Manager provides solutions to continuously track, identify and remediate vulnerable applications.
Psiphon.ca - Psiphon is circumvention software for Windows and Mobile platforms that provides uncensored access to Internet content. Read more about Psiphon.
Castle - The easiest way to protect your users from getting hacked