NetBird vs ZeroTier
A side-by-side comparison of two self-hosted remote access & vpn options — licensing, setup difficulty, resource needs, and what each one replaces.
NetBird
Connect devices into a secure WireGuard-based overlay network
VS
ZeroTier
Global virtual network for connecting devices anywhere
| Feature | NetBird | ZeroTier |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 98 · Excellent | 94 · Excellent |
| Category | Remote Access & VPN | Remote Access & VPN |
| License | BSD-3-Clause | BSL-1.1 |
| Language | Go | C++ |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 64 MB |
| Deployment | docker, kubernetes, binary | binary, docker, bare-metal |
| GitHub stars | ★ 29,473 | ★ 17,125 |
| First released | 2021 | 2014 |
| Replaces | Tailscale, ZeroTier | Tailscale |
What are NetBird and ZeroTier?
NetBird
NetBird is an open-source platform that creates secure private networks over WireGuard with peer-to-peer connectivity and centralized access control. The full stack can be self-hosted.
- WireGuard mesh overlay
- Self-hostable management
- SSO and access policies
- NAT traversal
ZeroTier
ZeroTier creates secure virtual Ethernet networks that connect devices as if they were on the same LAN. The controller can be self-hosted for full control over your networks.
- Layer 2 virtual networks
- Self-hostable controller
- Cross-platform clients
- Peer-to-peer connectivity
NetBird vs ZeroTier: key differences
NetBird is written in Go, while ZeroTier is built with C++. Licensing differs — BSD-3-Clause for NetBird versus BSL-1.1 for ZeroTier. ZeroTier is the lighter option, starting around 64 MB of RAM against 256 MB for NetBird. ZeroTier is the more established project (first released 2014), while NetBird arrived in 2021.
Why pick each one
Choose NetBird if…
- WireGuard performance
- SSO integration
- Full stack self-hostable
Watch out for
- Involved self-host setup
- Younger than Tailscale
Choose ZeroTier if…
- Easy flat virtual networks
- Clients for every platform
- Self-hostable controller
Watch out for
- BSL license restrictions
- Controller setup involved
Frequently asked questions
Is NetBird or ZeroTier better?
Neither is universally better. NetBird has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are NetBird and ZeroTier free and open-source?
Yes. NetBird is licensed under BSD-3-Clause and ZeroTier under BSL-1.1. Both can be self-hosted at no software cost.
Can I run NetBird and ZeroTier with Docker?
NetBird: yes. ZeroTier: yes.
Which is lighter on resources, NetBird or ZeroTier?
ZeroTier has the smaller minimum footprint at 64 MB of RAM, compared to about 256 MB for NetBird. Real-world usage depends on library size, user count, and enabled features.