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  1. 2FAS Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication*.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • Mozilla Firefox
    2FA Authenticator (2FAS) screenshot 1
    2FA Authenticator (2FAS) screenshot 1
    2FA Authenticator (2FAS) screenshot 2
    +3
    2FA Authenticator (2FAS) screenshot 3
    69 alternatives
    4.6
    Excellent9 reviews
  2. Authy icon
     225 likes

    Manage and secure two-factor authentication easily across Gmail, Dropbox, and more. Sync devices, secure backups, and enjoy offline access.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    Authy screenshot 1
    Authy screenshot 1
    Authy screenshot 2
    +1
    Authy screenshot 3
    85 alternatives
    3.1
    Fair21 reviews
  3. CopyCat Clipboard simplifies your copying-pasting. Just copy once, and see the magic unfold across all your devices and platform.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    CopyCat Clipboard screenshot 1
    CopyCat Clipboard screenshot 1
    CopyCat Clipboard screenshot 2
    +10
    CopyCat Clipboard screenshot 3
    103 alternatives
  4. Midori icon
     253 likes

    Midori is a lightweight, fast, and free web browser. It aligns well with the Xfce philosophy of making the most out of available resources.

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    Midori new Tab
    Midori Settings
    Midori Private Tabs
    +1
    Midori Window Private
    129 alternatives
    2.8
    Poor15 reviews
  5. Psiphon icon
     250 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
  6. Picocrypt icon
     41 likes

    Picocrypt is a very small (hence Pico), very simple, yet very secure encryption tool that you can use to protect your files. It's designed to be the go-to tool for encryption, with a focus on security, simplicity, and reliability.

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    Application main window
    30 alternatives
  7. Anubis icon
     16 likes

    Anubis weighs the soul of your connection using a sha256 proof-of-work challenge in order to protect upstream resources from AI scraper bots.

    Cost / License

    • Free Personal
    • Open Source (MIT)

    Application type

    Platforms

    • Self-Hosted
    • Go (Programming Language)
    • Docker
    Anubis screenshot 1
    48 alternatives
  8. Let's Encrypt icon
     130 likes

    Anyone who has gone through the trouble of setting up a secure website knows what a hassle getting and maintaining a certificate can be. Let’s Encrypt automates away the pain and lets site operators turn on and manage HTTPS with simple commands.

    Cost / License

    Application type

    Platforms

    • Self-Hosted
    Let's Encrypt's homepage
    Let's Encrypt's About page
    Let's Encrypt's administrative blog
    +8
    Let's Encrypt's Gett Involved page
    26 alternatives
    4.3
    Very Good7 reviews
  9. ClearURLs icon
     60 likes

    This extension will automatically remove tracking elements from URLs to help protect your privacy when browse through the Internet.

    Cost / License

    Application types

    Platforms

    • Google Chrome
    • Mozilla Firefox
    • Microsoft Edge
    ClearURLs screenshot 1
    ClearURLs screenshot 1
    ClearURLs screenshot 2
    +1
    ClearURLs screenshot 3
    35 alternatives
    4.5
    Excellent11 reviews
  10. OPNsense icon
     65 likes

    OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases. It brings the rich feature set of commercial offerings with the benefits of open and verifiable sources.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    OPNsense screenshot 1
    Login
    Dashboard
    +5
    System Logs
    19 alternatives
  11. A Map Of Us icon
     13 likes

    Public diary service for sharing anonymous, location-based memories as colour-coded map notes with optional accounts and cluster visualization for easy exploration.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    A Map Of Us screenshot 1
    A Map Of Us screenshot 1
    A Map Of Us screenshot 2
    +4
    A Map Of Us screenshot 3
    21 alternatives
  12. Posteo icon
     84 likes

    Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.

    Cost / License

    • Paid
    • Open Source

    Platforms

    • Online
    Drag and drop
    Conversion view
    WYSIWYG
    +10
    Contact page
    74 alternatives
    4.4
    Very Good8 reviews
  13. Control D icon
     31 likes

    Control D is a modern and customizable DNS service that blocks threats, unwanted content and ads - on all devices. Onboard in minutes, and forget about it.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • iPhone
    • Android
    • iPad
    • Android Tablet
    • Google Chrome
    • Mozilla Firefox
    • Online
    Control D screenshot 1
    Control D screenshot 1
    Control D screenshot 2
    +2
    Control D screenshot 3
    29 alternatives
  14. Blokada icon
     106 likes

    Blokada is the popular ad blocker and privacy app for Android and iOS. It's being supported and actively developed by the amazing open source community.

    Cost / License

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    Blokada screenshot 1
    Blokada screenshot 1
    Blokada screenshot 2
    +2
    Blokada screenshot 3
    96 alternatives
    3.2
    Fair12 reviews
  15. Obscura VPN icon
     18 likes

    Anonymous VPN service with no IP or traffic logs, privacy-focused logins using random accounts, payments via Bitcoin's Lightning Network, and robust encryption.

    Cost / License

    • Paid
    • Open Source

    Application types

    Platforms

    • Mac
    • iPhone
    • WireGuard
    Obscura VPN screenshot 1
    Obscura VPN screenshot 1
    Obscura VPN screenshot 2
    +3
    Obscura VPN screenshot 3
    72 alternatives
  16. GnuPG icon
     153 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
    41 alternatives
  17. IVPN icon
     40 likes

    IVPN is a privacy-first VPN service that offers WireGuard, multi-hop connections and a built-in ad/tracker blocker.

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • Windows Phone
    • iPad
    • Snapcraft
    • F-Droid
    • WireGuard
    • OPNsense
    • OpenWrt
    • Tomato
    • pfSense
    • OpenVPN
    • DD-WRT
    IVPN screenshot 1
    IVPN screenshot 1
    IVPN screenshot 2
    +1
    IVPN screenshot 3
    125 alternatives
  18. Eraser icon
     155 likes

    Eraser is an advanced security tool (for Windows), which allows you to completely remove sensitive data from your hard drive by overwriting it several times with carefully selected patterns.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • PortableApps.com
    Eraser screenshot 1
    Eraser screenshot 1
    47 alternatives
    3.6
    Good7 reviews
  19. Keybase icon
     142 likes

    Keybase is a new and free security app for mobile phones and computers. For the geeks among us: it's open source and powered by public-key cryptography.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Ruby
    • JavaScript
    • Tor
    • Go (Programming Language)
    • Java
    Keybase screenshot 1
    Keybase screenshot 1
    Keybase screenshot 2
    +2
    Keybase screenshot 3
    76 alternatives
    4.0
    Very Good12 reviews