Altretta icon
Altretta icon

Altretta

Combine files, notes, and code in one local vault with AI-powered answers citing the precise files and lines used. No data leaves your device. Indexes 16 languages, tracks history, signs edits, offers 3D visual graphs, encryption for teams, plugins, and is cross-platform.

A note open in the editor, with the vault index on the left and the inspector on the right: images, quotes and Japanese text inline, as plain Markdown on disk.

Cost / License

  • Freemium (Subscription)
  • Proprietary

Application type

Platforms

  • Mac
  • Windows
  • Linux
  • Online
Split view: the local graph of the open note beside the note itself, so the links around a passage are visible while you read it.
The 3D graph groups notes into labelled layers — Art, Character, Film, Music, Studio — so clusters in a vault are something you see rather than something you infer.
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The home dashboard: recent notes, tasks due today, bookmarks, a saved query and your vault in numbers.
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Features

Properties

  1.  Support for Themes
  2.  Privacy focused
  3.  Local-First
  4.  AI-Powered

Features

  1.  Web Clipper
  2.  No Coding Required
  3.  Dark Mode
  4.  Live Preview
  5.  Hierarchical Structure
  6.  End-to-End Encryption
  7.  No Tracking
  8.  WYSIWYG Support
  9.  Calendar View
  10.  Encrypted Backup
  11.  Code Formatting
  12.  Ad-free
  13.  Syntax Highlighting
  14.  No registration required
  15.  Support for MarkDown
  16.  Works Offline
  17.  Kanban Board
  18.  Reminders
  19.  Full-Text Search
  20.  Extensible by Plugins/Extensions
  21. LaTeX icon  Support for LaTeX
  22.  File Tagging
  23.  File Versioning
  24.  Model Context Protocol (MCP) Support
  25.  Knowledge Management
  26.  Semantic Search
  27.  Cross-Platform
  28.  Code Search
  29.  Note organization
  30.  Team Collaboration

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Notion

Streamline teamwork with real-time collaboration, drag-and-drop content organization, and visual simplicity across notes, tasks, wikis, and databases.

 
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Altretta information

Altretta was added to AlternativeTo by Apilium on and this page was last updated .
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Official Links

What is Altretta?

Altretta is an AI-powered notes application that prioritizes privacy and user control. Your notes, stored as Markdown files in your chosen folder, are not confined to a proprietary system and can be opened in any editor. Altretta's AI function provides citations for its claims and informs you if evidence is insufficient.

The application can also index code repositories, supporting sixteen languages. It creates a graph of code symbols, calls, and explanatory notes. By clicking a symbol, you can see its impact radius. Altretta also indexes your git history, reflecting the corresponding commit in the graph.

Every edit is signed by Altretta for traceability and accountability. For teams, it offers a shared vault with end-to-end encryption. Additional features include backlinks, local graph, 3D view, note templates, kanban, spaced repetition, LaTeX, tag renaming, split panes, pop-out windows, themes, accent colors, custom CSS, a web clipper, and sandboxed plugins.

Altretta is available for macOS, Windows, and Linux. It is free, with optional paid features like publishing, full history, unlimited synced folders, and team vault. The plugin SDK and the AI skill are licensed under MIT, and the engine is publicly available.