Proton VPN costs $6/mo.
These cost $0.
2 free alternatives to Proton VPN, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.
The top-rated free, open-source replacement for Proton VPN is OpenVPN (Open Source Open Source). Across this category, 1 self-hostable tool is available (including OpenVPN). Switching a 5-person team saves up to $360/year compared to Proton VPN's $6/mo subscription.
The catch: Requires self-hosting setup, updates, and server maintenance compared to managed Proton VPN.
Proton VPN vs Free Alternatives
Quick side-by-side comparison · $0/mo vs $6/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| OpenVPN | open source | Open Source | Self-host | ★ 14.8k | Proton VPN vs OpenVPN → |
| WireGuard | open source | Open Source | Local | ★ 739 | Proton VPN vs WireGuard → |
The picks
2 open source · ranked by fit
- 01
OpenVPN
open sourceOpen SourceSelf-host14.8knov 2026Secure remote access VPN solutions with zero trust network access. Self-hosted and cloud-managed options for businesses of all sizes. Trusted by 20,000+ organizations.
The catch vs Proton VPNRequires self-hosting setup, updates, and server maintenance compared to managed Proton VPN.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/openvpn/openvpn or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
- 02
WireGuard
open sourceOpen SourceLocal739nov 2026VPN protocol that runs inside the Linux kernel, using public-key cryptography to create encrypted tunnels across UDP with minimal configuration.
The catch vs Proton VPNCommunity-driven open source project without dedicated enterprise SLAs.
Install, platforms & data +
- platforms
- desktopcross-platformone-click install
- install
- Clone https://github.com/WireGuard/wireguard-tools or deploy with Docker Compose
- setup
- Download the native package or installer for your operating system.
- your data
- All application data lives locally on your own machine.
- checked
- 2026-11-07
Proton VPN Head-to-Head Comparisons (2027)
Side-by-side trade-off breakdowns · 2 free alternatives
Frequently Asked Questions
Direct answers · Proton VPN open-source replacements
What is the best free alternative to Proton VPN?+
The top free alternative to Proton VPN is OpenVPN (open source, Open Source). Secure remote access VPN solutions with zero trust network access. Self-hosted and cloud-managed options for businesses of all sizes. Trusted by 20,000+ organizations. Other popular Proton VPN replacements include WireGuard.
Can I self-host a free replacement for Proton VPN?+
Yes. Of the 2 free alternatives to Proton VPN, 1 can be self-hosted on your own server or local machine: OpenVPN (Open Source).
How much does switching from Proton VPN to a free alternative save?+
Proton VPN starts at $6/month per seat ($72/year). Switching a 5-person team to a free alternative like OpenVPN saves $360 per year in software subscription fees.
Should I vibe-code or build my own Proton VPN clone from scratch?+
Our build verdict for Proton VPN is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for Proton VPN or rebuilding it from scratch, deploy one of the 2 battle-tested open-source alternatives like OpenVPN.
What is the catch when switching from Proton VPN to OpenVPN?+
Requires self-hosting setup, updates, and server maintenance compared to managed Proton VPN.
