Download upcheckr

One self-contained native binary. Pick your platform, run it, enjoy it.

Homebrew · macOS & Linux
brew install laurentiud/tap/upcheckr

Installs the native binary and keeps it current with brew upgrade. Or grab a binary directly below.

macOS · Apple Silicon

Disk image — unsigned, so right-click → Open the first time. Homebrew (above) avoids the warning.

Download .dmg Raw binary

Linux · x86-64

Static native binary.

Download

Linux · arm64

Static native binary.

Download

Windows · x64

Native .exe (unsigned — click through SmartScreen once).

Download

Any OS · JVM jar

Cross-platform; needs Java 21. Good for Intel Macs.

Download .jar

Run it

# macOS / Linux — first run asks you to set an admin password
chmod +x upcheckr-macos-arm64
./upcheckr-macos-arm64                 # add --port 9000 to change the port

# Windows (PowerShell)
.\upcheckr-windows-x64.exe

# JVM (any OS)
java -jar upcheckr.jar

Then open http://localhost:7090 (change it with --port or UPCHECKR_PORT). Data persists at ~/.upcheckr/upcheckr.db; reset the password anytime with upcheckr --reset-password. Each download ships with a matching .sha256.