Amazon.com: TRENDnet AC1900 Dual Band Wireless AC Gigabit Router, 2.4GHz 600Mbps+5Ghz 1300Mbps, One-Touch Network connection, 1 USB 2.0 Port, 1 USB 3.0 Port, DD-WRT Compatible, IPv6, Guest Network, Parental controls, TEW-818DRU :
Netgear WNDR4500V2 Wireless Router DD-WRT VPN firmware, Can SETUP VPN service | eBay
TP-Link routers sold in the US won't support DD-WRT, OpenWRT - Liliputing
Amazon.com: D-Link WiFi Router, AC2600 MU-MIMO Dual Band Gigabit 4K Streaming and Gaming with USB Ports, 4x4 Wireless Internet for Home (DIR-882-US), Black : Electronics