ZeroTier vs strongSwan
A detailed comparison to help you choose between ZeroTier and strongSwan.
ZeroTier Virtual networking — Ethernet over the internet | strongSwan Open-source IPsec VPN implementation for Linux and embedded systems | |
|---|---|---|
| Overview | ||
| Rating | 4.5 (31 reviews)✓ | 4.0 (319 reviews) |
| Pricing model | freemium | free |
| Starting price | Free tier available | Free |
| Best for | Homelab operators and small teams wanting virtual Ethernet networks connecting distributed servers | Infrastructure teams building enterprise VPN gateways, SD-WAN solutions, or encrypted tunnels on Linux servers and embedded devices |
| Tags | ||
| Tags | free tieropen sourceapi access | free tieropen sourceself hostable |
| Visit ZeroTier → | Visit strongSwan → | |
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
strongSwan
Pros
- + Supports both IKEv1 and IKEv2 with modern cryptographic algorithms
- + Minimal dependencies and lightweight, suitable for embedded systems
- + Extensive certificate and PKI integration capabilities
- + Active development with security audits and regular updates
- + Fully open-source with no licensing restrictions
Cons
- - Steeper configuration learning curve compared to GUI-based VPN tools
- - Requires Linux/Unix environment; no native Windows or macOS client implementation
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