macOS
Gatekeeper may say "Optimo is damaged" because the binary isn't yet code-signed. Either right-click → Open → Open, or run:
xattr -d com.apple.quarantine /Applications/Optimo.app // Download
Latest release v1.0.13 · 6/1/2026
Gatekeeper may say "Optimo is damaged" because the binary isn't yet code-signed. Either right-click → Open → Open, or run:
xattr -d com.apple.quarantine /Applications/Optimo.app SmartScreen will show "Windows protected your PC". Click More info → Run anyway.
Make the AppImage executable, then run it:
chmod +x Optimo-*.AppImage
./Optimo-*.AppImage sudo dpkg -i Optimo_*.deb All previous releases live in the releases archive ↗.