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Open Source Secure & Encrypted Notes using Objective-C

A curated collection of the best open source note-taking apps with a focus on security and end-to-end encryption. using Objective-C.

Encrypted note-taking that syncs across all your devices
  • Stars


    56,025
  • Last commit


    12 hours ago
  • License


    Unknown
Cross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.

Open Source Alternative to:

Local-first, Git-native personal knowledge base with AI
  • Stars


    19,524
  • Last commit


    24 hours ago
  • License


    AGPL-3.0
A free, open source note-taking app built on plain Markdown files, Git version control, and direct AI model integration. No account required.

Open Source Alternative to:

Cross-platform, secure password manager
  • Stars


    28,471
  • Last commit


    8 days ago
  • License


    Unknown
KeePassXC is an open-source password manager that securely stores and manages sensitive information across Windows, macOS, and Linux.

Open Source Alternative to:

Zero-knowledge encrypted notes that sync across all devices
  • Stars


    14,441
  • Last commit


    17 hours ago
  • License


    GPL-3.0
End-to-end encrypted note-taking app with zero-knowledge architecture, cross-device sync, web clipper, and a self-hostable sync server.

Open Source Alternative to:

Secure, encrypted notes for your digital life
  • Stars


    6,594
  • Last commit


    2 days ago
  • License


    AGPL-3.0
Cross-platform note-taking app with end-to-end encryption, offline access, and powerful organization features for privacy-conscious users.

Open Source Alternative to:

Privacy-focused note-taking made simple and fast
  • Stars


    67
  • Last commit


    7 months ago
  • License


    GPL-2.0
Justnote is a secure note-taking app that lets you easily create and sync notes across devices while maintaining full control of your data.

Open Source Alternative to:

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