Discover the best free and open source alternatives to Google Authenticator for secure two-factor authentication and OTP codes.
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Discover the best free and open source alternatives to Google Authenticator for secure two-factor authentication and OTP codes.
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Best free and open source alternatives to Microsoft Authenticator for TOTP and HOTP two-factor authentication on Android, iOS and desktop.
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2FAS Auth is an open source Android authenticator supporting TOTP, HOTP, encrypted backups, offline use, and browser integration.
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Aegis Authenticator is a secure open source Android 2FA app supporting TOTP, HOTP, encrypted vaults, backups, and imports.
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Discover the best free and open source CAPTCHA tools for privacy-friendly bot protection, including proof-of-work and self-hosted options.
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EnigmarsOS is an Arch-based rolling Linux distribution with KDE Plasma, hardened privacy defaults, Btrfs and a gaming-ready desktop.
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Discover the best free and open source recursive DNS resolvers for secure, private and reliable domain name lookups.
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Discover the best free and open source alternatives to Google reCAPTCHA for protecting websites from bots, spam and automated abuse.
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Discover the best free and open source Discord clients and modifications for Linux, offering plugins, themes, privacy features and more.
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mCaptcha is a privacy-respecting CAPTCHA system that uses proof-of-work and adaptive difficulty to protect websites without image puzzles.
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Cap is a lightweight, self-hosted CAPTCHA alternative using proof-of-work and browser instrumentation.
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SDNS is a recursive DNS resolver written in Go with DNSSEC validation, encrypted DNS transports, policy controls and operational monitoring.
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ALTCHA is a self-hosted, privacy-focused CAPTCHA alternative using proof-of-work to protect websites from bots, spam and abuse.
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Discover free and open source alternatives to proprietary software and services from Microsoft, Google, Apple, Adobe and many others.
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Equicord is a Vencord fork providing more than 300 plugins, custom themes, browser builds, privacy features and cross-platform installers.
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Vencord enhances Discord with more than 100 plugins, custom themes, browser support, settings synchronisation and tracker blocking.
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WebCord is a privacy-focused Electron client for Discord with permission controls, tracker blocking, ARM support and Wayland audio sharing.
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This is the sixth in our series of articles highlighting essential system tools. These are small utilities, useful for system administrators as well as regular users of Linux based systems. The series examines both graphical and text based open source utilities. We’re recommending a graphical utility that is excellent at giving your system a deep clean. It’s called BleachBit.
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