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  1. I2P icon
     246 likes

    The I2P network provides strong privacy protections for communication over the Internet. Many activities that would risk your privacy on the public Internet can be conducted anonymously inside I2P.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • F-Droid
    I2P screenshot 1
    I2P screenshot 1
    I2P screenshot 2
    +1
    I2P screenshot 3
    47 alternatives
    3.4
    Fair10 reviews
  2. Ente Locker icon
     26 likes

    Ente Locker is a secure vault for life’s essentials - your most important documents and credentials - protected with end-to-end encryption.

    Cost / License

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    • Online
    Ente Locker screenshot 1
    Ente Locker screenshot 1
    Ente Locker screenshot 2
    +1
    Ente Locker screenshot 3
    37 alternatives
  3. RethinkDNS icon
     65 likes

    An OpenSnitch-inspired firewall and network monitor + a pi-hole-inspired DNS over HTTPS client with blocklists.

    Cost / License

    Application types

    Platforms

    • Online
    • Android
    • Android Tablet
    • F-Droid
    RethinkDNS screenshot 1
    RethinkDNS screenshot 1
    RethinkDNS screenshot 2
    +5
    RethinkDNS screenshot 3
    48 alternatives
    4.7
    Excellent13 reviews
  4. Decentraleyes icon
     152 likes

    Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • Google Chrome
    • Pale Moon
    • Opera
    • Chromium
    • Mozilla Firefox
    Decentraleyes screenshot 1
    Decentraleyes screenshot 1
    4 alternatives
  5. ClamAV icon
     251 likes

    Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways. It provides a number of utilities including a flexible and scalable multi-threaded daemon, a command line scanner and advanced tool for automatic...

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    ClamAV GUI
    ClamAV for Windows
    3.1
    Fair14 reviews
  6. 1.1.1.1 icon
     105 likes

    Experience quick, private browsing with this top DNS resolver. Enhanced by a VPN, it ensures your data remains protected and activity optimized.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    1.1.1.1 screenshot 1
    1.1.1.1 screenshot 1
    1.1.1.1 screenshot 2
    +1
    1.1.1.1 screenshot 3
    80 alternatives
  7. Protects devices from viruses and malware, offers real-time threat detection, home network scanning, password management, secure browsing, and regular updates.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Avast Free Antivirus screenshot 1
    Avast Free Antivirus screenshot 1
    Avast Free Antivirus screenshot 2
    +5
    Avast Free Antivirus screenshot 3
    140 alternatives
    2.7
    Poor25 reviews
  8. Tailscale icon
     60 likes

    Private networks made easy. Connect all your devices using WireGuard, without the hassle. Tailscale makes it as easy as installing an app and signing in.

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • BSD
    • iPad
    • Kubernetes
    • F-Droid
    • Software as a Service (SaaS)
    • OpenWrt
    • Homebrew
    • Docker
    • Docker Hub
    Tailscale screenshot 1
    Tailscale screenshot 1
    Tailscale screenshot 2
    +1
    Tailscale screenshot 3
    58 alternatives
  9. DuckDuckGo Privacy Browser is designed to help users control their personal data while browsing the internet. The browser provides privacy essentials that give users control over their data during web searches.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    DuckDuckGo Browser screenshot 1
    DuckDuckGo Browser screenshot 1
    DuckDuckGo Browser screenshot 2
    +5
    DuckDuckGo Browser screenshot 3
    185 alternatives
    4.1
    Very Good12 reviews
  10. Psiphon icon
     258 likes

    Secure and high-performance, Psiphon provides open access to the uncensored internet for millions of people around the world, with 150,000,000+ downloads.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Psiphon screenshot 1
    Psiphon screenshot 1
    Psiphon screenshot 2
    +2
    Psiphon screenshot 3
    4.0
    Very Good7 reviews
  11. Hyphanet icon
     190 likes

    Hyphanet (former Freenet) is free software which lets you anonymously share files, browse and publish "freesites".

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    Hyphanet screenshot 1
    Hyphanet screenshot 1
    Hyphanet screenshot 2
    51 alternatives
  12. Keepass2Android icon
     159 likes

    Keepass2Android is an open source password manager application for Android. It reads and writes .kdbx-files, the database format used by the popular KeePass 2.x Password Safe for Windows and other desktop operating systems.

    Cost / License

    Platforms

    • Android
    • Android Tablet
    Keepass2Android screenshot 1
    Keepass2Android screenshot 1
    Keepass2Android screenshot 2
    +3
    Keepass2Android screenshot 3
    156 alternatives
  13. FairEmail icon
     91 likes

    Privacy-focused, open-source email app offering encryption, unlimited accounts, customizable features, unified inbox, and low data usage.

    Cost / License

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Compose message view.
    Setup screen.
    Messages view with dark theme.
    +5
    Messages view with light theme.
    44 alternatives
    4.8
    Excellent14 reviews
  14. Snowflake Tor icon
     71 likes

    Snowflake is a system to defeat internet censorship. People who are censored can use Snowflake to access the internet. Their connection goes through Snowflake proxies, which are run by volunteers.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Google Chrome
    • Mozilla Firefox
    Snowflake Tor screenshot 1
    Snowflake Tor screenshot 1
    Snowflake Tor screenshot 2
    +1
    Snowflake Tor screenshot 3
    11 alternatives
  15. Midori icon
     258 likes

    Lightweight, privacy-focused browser with built-in ad blocker, VPN, Tor support, tracker blocking, customizable appearance, and workspace management.

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    Midori Browser with VPN
    Midori Browser with Adblock
    Midori Browser New Tab
    +3
    Midori Settings
    136 alternatives
    2.8
    Poor15 reviews
  16. AdAway icon
     147 likes

    An ad blocker that uses the hosts file. The hosts file contains a list of mappings between hostnames and IP addresses. When an app requests an ad, that request is directed to 127.0.0.1 which does nothing.

    Cost / License

    Application types

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    AdAway screenshot 1
    AdAway screenshot 1
    AdAway screenshot 2
    95 alternatives
  17. GnuPG icon
     161 likes

    GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.

    Cost / License

    Application type

    Platforms

    • Mac
    • Linux
    • PortableApps.com
    • Xfce
    • OpenPGP
    GnuPG Shell running GnuPG on Windows
    46 alternatives
  18. Windows Security (known as Windows Defender Antivirus before Windows 10 May 2020 Update, Windows Defender before Windows 10 Creators Update, or Microsoft Defender Antivirus before Windows 11) is an anti-malware component of Microsoft Windows.

    Cost / License

    • Free Personal
    • Proprietary

    Platforms

    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Microsoft Defender screenshot 1
    3.9
    Good12 reviews
  19. Cap Captcha icon
     27 likes

    Lightweight, modern open-source CAPTCHA alternative designed using SHA-256 proof-of-work and JS instrumentation

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Docker
    Cap Captcha screenshot 1
    Cap Captcha screenshot 1
    Cap Captcha screenshot 2
    34 alternatives
  20. Rybbit icon
     27 likes

    Open-source analytics software delivering real-time, privacy-focused web metrics with no cookies, intuitive dashboards, customizable filters, and GDPR/CCPA compliance.

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    • Docker
    Rybbit screenshot 1
    Rybbit screenshot 1
    Rybbit screenshot 2
    +4
    Rybbit screenshot 3
    69 alternatives