When comparing ClipMate vs CopyQ, the Slant community recommends CopyQ for most people. In the question“What are the best clipboard managers for Windows?” CopyQ is ranked 2nd while ClipMate is ranked 5th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Screen capture
Pro Stable and reliable
Pro Proper Shortcut Keys
This is, even in 2020, the only clipboard manager that allows you to set "Back" and "Next" clip keys, so you don't have to open the manager to change your selection.
Pro Clipbar toolbar
The Clipbar shows the last clip text and allows shortcut access to other commands for scree capture, etc
Pro Clip backup/archive
Pro Simple to setup
Pro Easy to use
Pro Free
Pro Add notes or tags to items
Most effective with stacks that don't automatically delete the oldest members, tags and notes allow you to use CopyQ as a personal database for important information with easy access and retrieval.
Pro Cross-platform and cross-DE
CopyQ supports all major Linux desktop environments (including KDE Plasma, GNOME, Xfce, etc.), Windows and MacOS X 10.9+.
Pro Can sort and store based on content type
Built-in support for text, HTML, images or any other custom formats, allowing for type-based clip stacks that each have their own custom actions (open images in a photo editor, open URLs in a browser, etc.)
Pro Browse and filter items in history
Quickly locate that snippet you copied months ago but don't recall precisely what it was.
Cons
Con Unicode not supported
Con Clipbar toolbar
The current edition of Win11 does not allow the use of toolbars in the Taskbar area. However, the program still remains one of the top clipboard utilities.
Con impossible to quit/start copyq via script
Con In linux, it sometimes does not react to shortcuts
Also buggy when hiding.
Con Sometimes copies filtered entries in between selection
Con Can't export images in bulk
Con Slow with many entries
Con Slow to place selected content on editor
Takes a while to place the selected text into the editor.