Core R1 QA106 ISO
The previously published full Debian Core image. x86-64, at least a 96 GB dedicated system disk.
DownloadOFFICIAL DOWNLOADS
Choose your Brimstone.
One clear path to each current installer. Older release candidates have been withdrawn from this main list; downloads and checksums are checked before publication.
Important: Brimstone Core R1 is still under qualification. Fresh installation erases the selected system disk. Please read the installation notes before starting.
CORE & CORE UPDATES
Core for Debian.
Use the installer for a new machine or the signed application update for an already installed Core.
Core RC15 Installer Candidate
Latest installer-fix trial for a spare machine or disposable VM. Full install and reboot qualification remains outstanding.
DownloadCore R1 rc.16 Signed Update
Cumulative signed application update for the trusted web updater. Not a bootable ISO.
DownloadBrimstone Store Beta 1
Dedicated Debian 13 Store installer; not the Core image.
DownloadCONTROL CLIENTS
Take Control.
Select the client for your device. Client availability varies by platform and beta programme.
Control for Windows
Current published x64 Control installer.
DownloadControl for Android
Try Brimstone Control through Google Play internal testing. Only invited testers using an eligible Google account can install this test release; it is not the public Play Store launch.
Join Android internal testControl for iPhone / iPad
Join the current TestFlight programme for eligible Apple devices. CarPlay support is available in the compatible Control app.
Open TestFlightControl on macOS
macOS Control is undergoing release and App Store review. Check the community for current availability.
View ControlOur public GitHub release index lists current download links and checksums. Core, Control and Store source repositories remain private.