Twingate vs Nebula
A detailed comparison to help you choose between Twingate and Nebula.
Quick Verdict
4.0/5
Twingate
0 reviews
3.9/5
Nebula
0 reviews
Twingate is rated higher (4.0 vs 3.9). Fast TLS-based tunnels with SSO integration — Twingate does not use WireGuard. 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.
Twingate Zero trust network access — replaces VPN | Nebula Scalable overlay network built by Slack | |
|---|---|---|
| Overview | ||
| Rating | 4.0 (0 reviews)✓ | 3.9 (0 reviews) |
| Pricing model | freemium | free |
| Starting price | Free tier available | Free |
| Best for | Engineering teams replacing a corporate VPN with per-resource zero trust access, managed as code | Infrastructure engineers building a large self-hosted mesh across clouds and colos who want identity-based networking with no SaaS dependency and can run a certificate authority safely. |
| Features | ||
| IPv6 | ✓ | |
| DDoS protection | ||
| Automated backups | ||
| Snapshots | ||
| Managed option | ||
| Bare metal | ||
| GPU available | ||
| S3-compatible | ||
| Hourly billing | ||
| Free tier | ||
| Tags | ||
| Tags | free tierteam featuresssomobile app | free tieropen sourceself hostable |
| Visit Twingate → | Visit Nebula → | |
Twingate
Pros
- + Genuinely free Starter tier for up to 5 users — not a trial, with 50 Resources and 10 networks
- + Outbound-only connectors: no open inbound ports, no bastion hosts, no published IPs to scan
- + Policy depth: device posture, WebAuthn MFA, SCIM, just-in-time and usage-based access
- + Public component-level status page, documented relay redundancy, published incident write-ups
- + Terraform, Pulumi, Helm and Docker deployment paths — access managed as code
Cons
- - SaaS control plane holds your access policy — disqualifying for fully self-hosted mandates
- - Not an internet VPN; per-resource model requires disciplined resource inventory
- - Geoblocking, static IPs and privileged access are Enterprise-only; DNS filtering is an add-on
- - Per-seat pricing scales linearly and gets expensive with many contractors or seasonal staff
- - Contractual SLAs are custom/Enterprise-only; the 99.99% figure is a reliability claim, not an SLA
Nebula
Pros
- + Free and open source; no vendor sits on your data path
- + Proven at scale — Slack's overlay runs on 50,000+ documented production hosts
- + Modern, non-homegrown crypto: Noise Protocol Framework, Curve25519/P256, AES-256-GCM
- + Certificate-based identity with groups-style firewall rules enforced between peers
- + Direct peer-to-peer tunnels with NAT traversal; lighthouses handle discovery only
Cons
- - You run the PKI: CA key custody, one-year default CA lifetime, certificate signing per node
- - No GUI, no hosted control plane, no SSO in the open-source edition
- - Operationally steeper than WireGuard and much steeper than managed mesh products
- - Overlay IPv6 and mobile client polish lag the desktop experience
- - No support contract or SLA unless you buy the third-party managed offering
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