CopyQ - CopyQ : Clipboard Manager with Advanced Features.
Ditto - Easy to use interface; Search and paste previous copy entries; Keep multiple computer's clipboards in sync; Data is encrypted when sent over the network; Accessed from tray icon or global hot key; Select entry by double click, enter key or drag drop…
Clipy - Clipy is a clipboard extension for macOS.
Copy 2 Online - Copy 2 Online is a cloud-based multiplatform clipboard manager that allows you to access, view, and manage your copy history.
Yippy Clipboard Manager - macOS Clipboard Manager
ClipAngel - ClipAngel is an extension to the standard Windows clipboard.