Stacka is a local-first, open-source clipboard manager for Windows 11. It replaces default clipboard limits by grouping multi-file copies into clean, expandable stacks. Paste whole groups or select individual item paths instantly. Features: - Multi-file stacking & granular pasting - Gorgeous Mica UI with light/dark adaptation - Ergonomic mouse gestures (double right-click) - Real-time keyword search & workflow profiles 100% private, offline, and free on GitHub. Store version is $3.19.