Tailscale
With over 34,000 GitHub stars and backing from a well-funded engineering team, Tailscale has fundamentally simplified how developers and system administrators think about secure networking. The client daemon establishes WireGuard tunnels directly between devices using sophisticated NAT traversal techniques, achieving direct peer-to-peer connections in the vast majority of network configurations without requiring port forwarding, firewall rules, or VPN concentrators. When direct connections prove impossible due to restrictive network environments, DERP relay servers provide encrypted fallback paths. MagicDNS assigns human-readable hostnames to every device on the network, eliminating the need to remember IP addresses across a tailnet. Subnet routing allows nodes to advertise access to entire local networks, enabling remote access to office resources, home labs, or cloud VPCs through a single gateway node. Exit node functionality routes all internet traffic through a designated device for privacy protection or geographic flexibility. Access control lists define granular policies for which devices and users can communicate with which services, enforced cryptographically at the network layer. The authentication layer integrates with identity providers including Google, Microsoft, GitHub, Apple, and OIDC-compliant systems for single sign-on access. Taildrop enables direct encrypted file transfers between devices without cloud intermediaries. The tailscale CLI provides complete network management from the terminal including status monitoring, route advertisement, and node configuration. Running Tailscale on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console provides a permanent, always-on node in your mesh network. BSD-3-Clause licensed with an active open-source community.
ZTNET
ZTNET provides a polished web dashboard for running your own ZeroTier network controller, covering network creation, member authorization, IP assignment, flow rule editing, and real-time node monitoring entirely from the browser. The organization system supports multi-tenant deployments where teams manage separate network pools with role-based permissions and customizable email notification templates for events like member joins, departures, IP changes, and authorization updates. Each network view displays connected members with their ZeroTier addresses, assigned IPs, last-seen timestamps, physical endpoints, and protocol versions in a clean tabular layout. The admin panel provides platform-wide user management, SMTP configuration for transactional emails, and system-level settings. Built on the T3 stack with Next.js, Prisma ORM, tRPC, TypeScript, and Tailwind CSS with DaisyUI components, the application supports both PostgreSQL and SQLite for persistence and communicates directly with the ZeroTier controller daemon through its native API. Dark and light themes adapt to user preference, and responsive layouts make network management practical from any device. Docker Compose bundles the web application alongside the ZeroTier controller service. Over 100,000 Docker pulls confirm steady community adoption. GPL-3.0 licensed.