Antimatter IDE
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Free IDE

Download Antimatter IDE

Native desktop editor with Antimatter agents, cloud sync, and the same harness as the web console. macOS builds are not yet signed by Apple — follow the install steps below.

macOS (Apple Silicon).dmg · arm64Windows.zip · x64

Install on macOS (unsigned build)

This release is not notarized yet. macOS Gatekeeper may block the app on first open.

  1. Download the .dmg and open it.
  2. Drag Antimatter IDE into Applications.
  3. On first launch, if macOS says the app cannot be opened: open System Settings → Privacy & Security, scroll to the blocked app message, and click Open Anyway.
  4. Alternatively, right-click the app in Applications → Open → confirm Open in the dialog.
  5. Sign in with your Antimatter account to sync projects and cloud agents.

Need help?

Email us at support@antimatterai.com. We'll help with install issues, access, and agent runs.

Prefer the browser? Open the web console