Download

Download Coeus

Free during the beta. Your notes stay on your machine, always.

Download for macOS Apple Silicon (M1/M2/M3/M4) Download for macOS Intel (x86_64)

Version 0.1.106. macOS 12 or later.

What you need

  • macOS 12 Monterey or later
  • An AI provider API key (Claude, OpenAI, etc.) or a local model
  • A folder for your notes (new or existing)
  1. 1

    Open the .dmg and drag Coeus to Applications

    Launch it normally from Applications. If macOS ever warns about an older build, download the latest DMG again.

  2. 2

    Point it at a folder

    Pick an existing folder or create a new one. If you’re coming from Obsidian or Logseq, use your existing vault.

  3. 3

    Connect an AI

    Add a Claude or OpenAI API key in settings, or point Coeus at a local model like Ollama or LM Studio. Then start writing.

Install with Flatpak Recommended for most distros Download .deb Debian, Ubuntu, Mint Download .rpm Fedora, RHEL, openSUSE

Version 0.1.106.

Use the Flatpak if your distro supports it. The .deb and .rpm add the package repo when you install them, so updates come through apt upgrade or dnf upgrade after that.

What you need

  • x86_64 Linux (arm64 coming soon)
  • An AI provider API key (Claude, OpenAI, etc.) or a local model
  • A folder for your notes (new or existing)
  1. 1

    Install using your preferred format

    Use the Flatpak on most distros. Use the .deb on Debian, Ubuntu, or Mint. Use the .rpm on Fedora, RHEL, or openSUSE.

  2. 2

    Point it at a folder

    Pick an existing folder or create a new one. If you’re coming from Obsidian or Logseq, use your existing vault.

  3. 3

    Connect an AI

    Add a Claude or OpenAI API key in settings, or point Coeus at a local model like Ollama or LM Studio. Then start writing.

Download for Windows Recommended installer (.exe) Admin / Enterprise installer MSI for managed deployment

Version 0.1.106. Windows 10 or later.

Use the .exe installer for most users. Use the .msi package if you need silent installs, MDM, Group Policy, or other managed deployment tooling.

What you need

  • Windows 10 or later
  • An AI provider API key (Claude, OpenAI, etc.) or a local model
  • A folder for your notes (new or existing)
  1. 1

    Run the installer

    Use the .exe installer unless you manage Windows devices centrally. Choose the .msi if you need enterprise deployment tooling.

  2. 2

    Point it at a folder

    Pick an existing folder or create a new one. If you’re coming from Obsidian or Logseq, use your existing vault.

  3. 3

    Connect an AI

    Add a Claude or OpenAI API key in settings, or point Coeus at a local model like Ollama or LM Studio. Then start writing.