Kerveros icon
Kerveros icon

Kerveros

Kerveros is a robust two-factor authentication code generator that combines ease of use with enterprise-grade security. It generates time-based one-time passwords (TOTP) for your online accounts while keeping your secrets encrypted and protected.

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Cost / License

Platforms

  • Linux
  • Flathub
  • Flatpak
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Features

Properties

  1.  Privacy focused
  2.  Lightweight

Features

  1.  Works Offline
  2.  No registration required
  3.  No Tracking
  4.  Time-based One-time Password
  5.  Two-factor Authentication
  6.  Ad-free
  7.  NFC
  8.  Sits in the System Tray
  9.  Master Password

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AlternativeTo Category

Security & Privacy

GitHub repository

  •  2 Stars
  •  0 Forks
  •  0 Open Issues
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What is Kerveros?

Kerveros is a robust, cross-platform two-factor authentication (2FA) code generator that combines enterprise-grade security with user-friendly features. Generate time-based one-time passwords (TOTP) for all your online accounts while keeping your secrets encrypted and protected.

Features:

Core Security

  • TOTP Code Generation - RFC-compliant time-based one-time passwords
  • Master Password Protection - SHA-256 hashing with salting
  • Encrypted Secret Storage - XOR encryption with initialization vectors
  • Password Attempt Limiting - 5 attempts before factory reset option
  • Single Instance Enforcement - Prevents multiple app conflicts

User Experience

  • Real-time Code Updates - Automatic refresh every 30 seconds
  • Visual Countdown Timer - Color-coded progress bar (green/yellow/red)
  • One-Click Copy - Instant clipboard copy with visual feedback
  • QR Code Import - Drag & drop or file menu import of QR code images
  • System Tray Integration - Minimize to tray with quick restore

Account Management

  • Unlimited Accounts - Support for GitHub, Google, PayPal, Discord, etc.
  • Easy Setup - Manual entry or QR code scanning
  • Export/Import - Full backup and restore functionality
  • Duplicate Prevention - Automatic validation and conflict detection

Cross-Platform

  • Native Performance - Built with Qt Framework
  • Consistent Experience - Same features on all platforms
  • Platform Integration - Uses native settings storage