The Best Open Source Proton VPN AlternativesTop VPN Services & VPN Clients like Proton VPN

The best open source alternative to Proton VPN is Mullvad VPN. It's not free, so if you're looking for a free alternative, you could try Tor VPN or Windscribe. If that doesn't suit you, our users have ranked more than 100 alternatives to Proton VPN and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Proton VPN are Psiphon, IVPN, RiseupVPN and NymVPN.

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Proton VPN alternatives are mainly VPN Services, but if you're looking for VPN Clients or Anonymizing Networks you can filter on that. Other popular filters include Free, Open Source, Android, Windows + Free, Android + Free, Android + Open Source and VPN Client. These are just examples - use the filter bar below to find more specific alternatives to Proton VPN.
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Alternatives list

  1. Mullvad VPN icon
     281 likes

    Delivers anonymous, privacy-focused VPN connections with no signup data or logs, anonymous payments, support for the latest encryption, WireGuard multihop, SOCKS5, DNS ad-blocking, kill switch, high-speed servers up to 40Gb/s, and open-source transparency.

    228 Mullvad VPN alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • F-Droid
    • WireGuard
    • Tor
    • OpenWrt
    • Tomato
    • pfSense
    • DD-WRT
     
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    2
  2. Tor VPN icon
     62 likes

    A VPN that grants network-level privacy on mobile by routing app traffic through Tor, assigns each app a separate circuit for improved separation, bypasses app-level censorship, features per-app routing, security via Rust-based implementation, and awaits early adopter feedback.

    62 Tor VPN alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • Android Tablet
     
  3. Windscribe icon
     180 likes

    Windscribe is a desktop application and browser extension that work together to block ads and trackers, restore access to blocked content and help you safeguard your privacy online.

    220 Windscribe alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • Microsoft Edge
    • Google Chrome
    • Apple TV
    • F-Droid
    • Android TV
    • Fire TV
    • Mozilla Firefox
     
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    3
  4. Psiphon icon
     256 likes

    Enjoy unfiltered Internet access globally using Psiphon's open-source VPN. It offers AES-256 encryption, split tunneling, WireGuard support, and more, all without requiring user registration. Perfect for communities in censored regions and those seeking privacy-focused alternatives.

    194 Psiphon alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  5. IVPN icon
     46 likes

    Privacy-centered VPN with WireGuard, multi-hop connections, built-in ad/tracker blocking, no activity logs, open-source apps, cash or crypto payments, self-hosted servers, independent security audits, no affiliate marketing, privacy donations, and educational guides.

    130 IVPN alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • F-Droid
    • WireGuard
    • OPNsense
    • OpenWrt
    • Tomato
    • pfSense
    • OpenVPN
    • DD-WRT
     
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    1
  6. RiseupVPN icon
     44 likes

    Riseup offers Personal VPN service for censorship circumvention, location anonymization and traffic encryption. To make this possible, it sends all your internet traffic through an encrypted connection to riseup.net, where it then goes out onto the public internet.

    124 RiseupVPN alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • F-Droid
    • Snapcraft
     
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    2
  7. NymVPN icon
     18 likes

    Decentralized VPN featuring mixnet technology to encrypt traffic and obscure metadata, provides 5-hop and 2-hop privacy modes, WireGuard for speed, AmneziaWG for censorship resistance, hides IP and location, blocks ads, and does not support centralized logs.

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • AppImageHub
    • Arch Linux
    • Flathub
    • F-Droid
    • WireGuard
    • Ubuntu
    • Debian
    • Flatpak
    • GitHub
     
  8. Obscura VPN icon
     21 likes

    Privacy-focused VPN without IP or traffic logs, ensuring user anonymity with random logins; supports Bitcoin payments, uses end-to-end encryption through WireGuard; excels in bypassing internet filters and maintaining user anonymity with two-party protocol involving exit servers operated by Mullvad.

    77 Obscura VPN alternatives

    Cost / License

    • Paid
    • Open Source

    Application types

    Platforms

    • Mac
    • iPhone
    • WireGuard
     
  9. Encrypts internet connection and online activity, offers anonymous IP addresses, maintains a strict no-logs policy, utilizes open-source protocols, protects on public WiFi, features a kill switch, has a large global server network, delivers fast speeds, includes a free breach monitor, and supports unlimited devices.

    206 Private Internet Access alternatives

    Cost / License

    • Paid
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • Apple TV
    • Android TV
    • Google TV
    • Tomato
    • Fire TV
    • pfSense
    • OpenVPN
    • Mozilla Firefox
    • DD-WRT
    • Opera
     
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    1
  10. Outline VPN icon
     37 likes

    Journalists need safe access to information to research issues, communicate with sources, and report the news. Outline lets news organizations easily provide their network safer access to the open internet.

    188 Outline VPN alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • AppImageHub
    • Homebrew
    • F-Droid
     
  11. Amnezia VPN icon
     19 likes

    Combines classic VPN, free regional access, and easy self-hosted setup inside one open-source app. Built for censorship-heavy environments, it uses an enhanced WireGuard protocol, supports many platforms, offers region switching, and passed 7ASecurity audits.

    64 Amnezia VPN alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
     
  12. Calyx VPN icon
     23 likes

    Experience a completely anonymous and secure browsing session with minimal setup using this free VPN. Benefit from open source transparency, free service, no logs, and safe handling of DNS. The service cleverly circumvents censorship and ensures there are no IP or DNS leaks for enhanced privacy.

    77 Calyx VPN alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • F-Droid
     
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