Squid Proxy - Website Content Acceleration and Distribution. Thousands of web-sites around the Internet use Squid to drastically increase their content delivery. Squid can reduce your server load and improve delivery speeds to clients.
OpenVPN - OpenVPN - The Open Source VPN
Polipo - A small and fast caching web proxy (a web cache, an HTTP proxy, a proxy server).
Hotspot Shield - Hotspot Shield is a software application developed by AnchorFree, Inc.
AdGuard - Surf the Web Ad-Free and Safely. Shield up!
TunnelBear - Really simple VPN to browse the web privately & anonymously.