OpenGood

Download Pen

Free and MIT-licensed. No account required. Bring your own model key — nothing leaves your machine.

Download Penv0.17.32

Install the desktop app on macOS, Windows, or Linux. Your workspace connects automatically after sign-in.

macOS
Apple Silicon (M1+)Intel
Windows
x64 InstallerARM64 Installer
Linux
AppImage (x64)AppImage (ARM64)tar.gz (x64)tar.gz (ARM64)

Coming soon: macOS Intel, Windows ARM64, and Linux. The source is open — you can build it yourself in the meantime.

Joining a team? Sign in after install to sync shared skills.