Rouler is presented by its maker as: "Steer Windows traffic per app or IP across multiple interfaces". It was shared on Show HN in 2026, where it received 27 upvotes on Hacker News.
Send each app, IP or subnet out the network interface you choose, with several VPNs running at once. Run WireGuard, Tailscale, OpenVPN and your work VPN side by side.
Rouler works with network interfaces, so it isn't tied to a particular VPN. Use the official WireGuard client, Tailscale, Mullvad, OpenVPN or AmneziaWG, and run several side by side.
