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 Windscribe or Tor VPN. 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, Windows + Free, Open Source, Android + Free, Android + Open Source, Android 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

    Mullvad VPN

     305 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.

    227 Mullvad VPN alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • F-Droid
    • WireGuard
    • OpenWrt
    • Tomato
    • pfSense
    • DD-WRT
    Mullvad VPN screenshot 1
     
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    2
    Mullvad VPN vs Proton VPN Comments
    dataculi
    Positive
    6

    5 euros a month. Whether you pay for a month, a year, or a decade. They won't even take your account. They give you a code and that's it. You can't even subscribe because they won't store your credit card info. Possibly the single most trustworthy software company in existence and they're absolutely the best at what they do

    Paul
    Positive
    6

    Best VPN for privacy and security. Just $5 a month and you don't have to provide an email address or a phone number. You can even pay with cash or Bitcoins.

    • Mullvad VPN is Paid and Open SourceProton VPN is Freemium and Open Source
  2. Windscribe icon

    Windscribe

     192 likes

    Windscribe VPN is your all-in-one solution for privacy, security, and unrestricted internet access.

    216 Windscribe alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • Microsoft Edge
    • Google Chrome
    • Apple TV
    • F-Droid
    • Android TV
    • Fire TV
    • Mozilla Firefox
    Windscribe screenshot 1
     
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    3
    Windscribe vs Proton VPN Comments
    vctls
    2

    I don't like that the Firefox add-on seems to detect uBlock Origin and suggests using its own blocker instead. A trustworthy VPN should keep its nose out of people's stuff. But at least the free tier allows using servers in more countries.

    Guest
    Negative
    0

    When you say that it has a free plan, it omits the fact that it only allows you 10GB free a month

    Guest
    Positive
    -4

    proton is big privacy tech and big privacy tech can turn very easily into big tech so i personally do not trust proton for that reason and windscribe has stated in their blog multible times to not start other projects because that someday will go wrong with user data. and they offer a way better free plan.

    • Windscribe is Freemium and Open SourceProton VPN is also Freemium and Open Source
  4. Tor VPN icon

    Tor VPN

     65 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.

    70 Tor VPN alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Tor VPN screenshot 1
     
  5. Ad
    Screenshot
    Mysterium VPN icon
    Mysterium VPN

    Decentralized VPN service providing privacy via blockchain, peer-to-peer architecture, and global exit nodes. Offers encrypted browsing, geo-unblocking, streaming, torrenting, multi-platform support, rewards for bandwidth sharing...

    https://www.mysteriumvpn.com
    Learn More
  6. Psiphon icon

    Psiphon

     259 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.

    185 Psiphon alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Psiphon screenshot 1
     
  8. IVPN icon

    IVPN

     53 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.

    132 IVPN alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • F-Droid
    • OPNsense
    • OpenWrt
    • Tomato
    • pfSense
    • OpenVPN
    • DD-WRT
    IVPN screenshot 1
     
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    1
    IVPN vs Proton VPN Comments
    N P
    Positive
    0

    IVPN is one of the best VPN's available, alongside ProtonVPN. Their business model is one of the most transparent of all the VPN providers available. Their employees' names and faces are literally posted on IVPN's official website. In my opinion, IVPN is the most trustworthy VPN company.

    • IVPN is Paid and Open SourceProton VPN is Freemium and Open Source
  9. RiseupVPN icon

    RiseupVPN

     45 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.

    129 RiseupVPN alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • F-Droid
    • Snapcraft
    Main
     
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    2
    RiseupVPN vs Proton VPN Comments
    Omar
    Positive
    1

    An actual free alternative to ProtonVPN.

    • Enables you to select locations
    • Enables use of p2p, including torrenting and voip.
    RemovedUser
    Positive
    0

    Riseup VPN is the only private vpn I can think of that doesn't limit their free plan. The speeds are good. It has "circumvention bridges." It supports p2p. That said, the windows app can be kind of buggy at times. I know some people are skeptical of them because of the supoena. But given their track record with protecting activist users of their email service, I do trust that they're at least genuine in what they say.

    • RiseupVPN is Free and Open SourceProton VPN is Freemium and Open Source
    • RiseupVPN is a VPN Client Proton VPN is a VPN Service
  10. NymVPN icon

    NymVPN

     22 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
    More than a VPN
     
  11. Private Internet Access icon

    Private Internet Access

     82 likes

    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.

    201 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
    Private Internet Access screenshot 1
     
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    1
    Private Internet Access vs Proton VPN Comments
    Guest
    Positive
    0

    It provides almost the same services but Pia is less expensive.

    • Private Internet Access is Paid and Open SourceProton VPN is Freemium and Open Source
  12. Outline VPN icon

    Outline VPN

     39 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.

    184 Outline VPN alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • AppImageHub
    • Homebrew
    • F-Droid
    Outline VPN screenshot 1
     
  13. Amnezia VPN icon

    Amnezia VPN

     21 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.

    73 Amnezia VPN alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    Amnezia VPN screenshot 1
     
  14. Obscura VPN icon

    Obscura VPN

     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.

    Cost / License

    • Paid
    • Open Source

    Application types

    Platforms

    • Mac
    • iPhone
    • WireGuard
    Obscura VPN screenshot 1
     
  15. Calyx VPN icon

    Calyx VPN

     25 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.

    80 Calyx VPN alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • F-Droid
    Calyx VPN screenshot 1
     
12 of 48 Proton VPN alternatives