The first release of Cooper — a free, open-source recreation of Copper (shadcn's Mac capture app) for Windows, macOS, and Linux. A to-do list + clipboard + scratchpad for AI-assisted work, always one shortcut away. Local-only: no sync, no telemetry, no account.
Downloads — pick your OS
| OS | File |
|---|---|
| Windows 10/11 | Cooper_0.1.0_x64-setup.exe (recommended) or Cooper_0.1.0_x64_en-US.msi |
| macOS (Intel + Apple Silicon) | Cooper_0.1.0_universal.dmg |
| Linux | Cooper_0.1.0_amd64.AppImage (portable), Cooper_0.1.0_amd64.deb, or Cooper-0.1.0-1.x86_64.rpm |
First run: Windows SmartScreen → More info → Run anyway (unsigned build). macOS → right-click → Open, then grant Accessibility for double-shift capture. Linux AppImage → chmod +x and run.
Highlights
- Left Shift ×2 captures selected text from any app; Right Shift ×2 shows/hides the panel (fallbacks:
Ctrl/Cmd+Shift+C,Ctrl/Cmd+Shift+Space) - Sections via
# name,Ctrl/Cmd+Kswitcher, search, multi-select, Copy as List - Inline markdown in cards: bold, italic,
strikethrough,code - Four themes: System / Light / Dark / Glass (native acrylic on Windows, vibrancy on macOS)
- Tray app, start-at-login, single SQLite file, one-click Markdown export
Apache-2.0 licensed — fork away.