http://www.techradar.com/news/5-best-vpn-services-for-dd-wrt-routers-2017

DD-WRT has been delighting many folks ever since it first emerged in 2005. The Linux-based open source firmware for routers is the weapon of choice for people who want to get more out of their hardware in terms of performance and versatility than their stock firmware will allow. Built with not-quite-so-technical users in mind, DD-WRT supports a wide range of devices, making it an increasingly popular choice among the denizens of the net.

One of the most obvious reasons why DD-WRT gets so much love is its VPN-related use. Post-installation of the firmware, you can set up your VPN directly on the router, meaning that any device connected to the router is using the VPN service. This is a major boon in terms of convenience, and it also allows you to use the VPN with devices which aren’t supported by the provider.