Nebula vs ZeroTier
A detailed comparison to help you choose between Nebula and ZeroTier.
Quick Verdict
4.3/5
Nebula
389 reviews
4.5/5
ZeroTier
31 reviews
ZeroTier is rated higher (4.5 vs 4.3). Nebula is an open source scalable overlay networking tool built by Slack engineers. Creates a flat network where distributed nodes communicate securely. Firewall rules in the protocol. ZeroTier creates virtual Ethernet networks over the internet. Connect servers, VMs, and devices as if on the same LAN. Free for 25 devices. SDN-based architecture.
Nebula Scalable overlay network built by Slack | ZeroTier Virtual networking — Ethernet over the internet | |
|---|---|---|
| Overview | ||
| Rating | 4.3 (389 reviews) | 4.5 (31 reviews)✓ |
| Pricing model | free | freemium |
| Starting price | Free | Free tier available |
| Best for | Infrastructure engineers building large-scale private overlay networks for distributed systems | Homelab operators and small teams wanting virtual Ethernet networks connecting distributed servers |
| Tags | ||
| Tags | free tieropen sourceself hostable | free tieropen sourceapi access |
| Visit Nebula → | Visit ZeroTier → | |
Nebula
Pros
- + Open source by Slack engineers
- + Scales to hundreds of thousands of nodes
- + Firewall rules built into protocol
Cons
- - Requires manual configuration
- - No GUI — DevOps/engineering tool
ZeroTier
Pros
- + Free for up to 25 devices
- + Virtual Ethernet — servers appear on same LAN
- + Works through NAT and firewalls
Cons
- - ZeroTier controls the SDN layer — trust required
- - Less control than pure WireGuard
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