comparison · VPN providers
AirVPN vs Calyx VPN
Both are listed in VPN providers. The table below pulls directly from each service’s data sheet; see each entry for sourcing.
| Field | AirVPN | Calyx VPN |
|---|---|---|
| KYC | optional KYC | no KYC |
| Category | VPN providers | VPN providers |
| Jurisdiction | Italy (operator-disclosed) | United States (Calyx Institute, NY) |
| Payment methods | crypto, card, paypal | donation |
| Fiat on-ramp | no | no |
| Custodial | no | no |
| Open source | no | yes |
| Founded | 2010 | 2014 |
| Last verified | Jan 1, 2026 | May 12, 2026 |
AirVPN — summary
AirVPN is the longest-running activist-roots commercial VPN with port-forwarding still on the menu.
- + Run by hacktivists / activists; long, consistent transparency posture.
- + Port-forwarding supported (rare among privacy VPNs).
- + Detailed routing controls in the client.
- − Email at signup.
- − Smaller server fleet than ProtonVPN; capacity can vary.
- − Facts need re-verification by operator (last seeded 2026-01).
Calyx VPN — summary
Calyx VPN is the non-profit no-account VPN from the Calyx Institute.
- + Operated by Calyx Institute non-profit (founder Nicholas Merrill of the 2004 National Security Letter case).
- + No accounts, no signup, no identity binding at all.
- + Open-source Bitmask client; reproducible builds.
- − U.S. operator subject to U.S. legal process; the operator's transparency posture is what mitigates this.
- − Smaller server fleet than commercial peers.
- − Speed and capacity are membership-limited.
When to choose which
Treat this section as heuristic. Privacy properties depend on how you use the service, not just which one you pick.
- Choose AirVPN if run by hacktivists / activists; long, consistent transparency posture..
- Choose Calyx VPN if operated by calyx institute non-profit (founder nicholas merrill of the 2004 national security letter case)..
- Either way, re-check the entry’s last verified date — the VPN providers category churns.
Mentioned in (combined)
Pages on the site that reference AirVPN, Calyx VPN, or both.
Ranked picks
Compared as of .