Download

Photon Ledger (loading…)

Pick your platform. SHA-256 checksums and full file sizes are listed below each button.

macOS

Apple Silicon (M1 / M2 / M3 / M4 / M5), signed & notarized

Download .dmg

size: —

SHA-256: —

Requires: macOS 11 (Big Sur) or later on Apple Silicon.
No additional libraries or runtimes — everything is bundled inside Photon Ledger.app. Drag it into /Applications and launch.
Intel Macs are not currently supported.

Windows

MSI (recommended) and NSIS .exe installer

Download .msi .exe (NSIS)

MSI — size: — · SHA-256: —

.exe — size: — · SHA-256: —

Requires: Windows 10 (version 1809) or Windows 11, x86-64, plus the Microsoft Visual C++ 2015–2022 Redistributable (x64).
The Redistributable is preinstalled on most systems (shipped with Office, Visual Studio, and many games). If you see a "VCRUNTIME140.dll was not found" error on launch, install it from the link above.
Everything else — cfitsio, the GUI, and the Direct3D 12 renderer — is bundled inside the installer.

Linux

AppImage (universal) and .deb (Debian/Ubuntu)

Download .AppImage .deb

AppImage — size: — · SHA-256: —

.deb — size: — · SHA-256: —

Requires: libgl1, libgtk-3-0, libxkbcommon0, zenity
The .deb pulls these in automatically. AppImage users on a minimal install may need:
sudo apt install libgl1 libgtk-3-0 libxkbcommon0 zenity

Heads up on the Windows installer. Both the .msi and .exe are code-signed by EKE Services LLC via Azure Trusted Signing. Brand-new releases haven't yet built up Microsoft Defender SmartScreen download reputation, so the first few users may still see a "Windows protected your PC" prompt — click More info → Run anyway. The signature itself can be inspected via right-click → Properties → Digital Signatures, and the SHA-256 above should match what you compute locally. The macOS .dmg is signed and notarized; the .deb / AppImage need no equivalent step on Linux.

Having trouble installing? See Troubleshooting.

Verify your download

SHA-256 checksums

macOS

shasum -a 256 "Photon Ledger_"*.dmg

Linux

sha256sum photon-ledger_*.AppImage photon-ledger_*.deb

Windows (PowerShell)

Get-FileHash -Algorithm SHA256 .\photon-ledger_*.msi, .\photon-ledger_*-setup.exe

Where things go

What gets installed where

OSAppConfig & DB
macOS/Applications/Photon Ledger.app~/Library/Application Support/photon-ledger/
Windows%LOCALAPPDATA%\Programs\PhotonLedger\%APPDATA%\photon-ledger\
Linux/usr/bin/photon-ledger (deb) / extracted (AppImage)~/.config/photon-ledger/ + ~/.local/share/photon-ledger/