When comparing Copy'em Paste vs CopyQ, the Slant community recommends CopyQ for most people. In the question“What are the best clipboard managers for Mac?” CopyQ is ranked 8th while Copy'em Paste is ranked 13th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Good logic
Pro Works perfectly from the menu bar
Super easy to use, greatly speeds up the workflow.
Pro Organising folders is logical and easy
Pro Professional
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 Minor con
The tags you put on copy batches, like art, work, favorites, etc, has limited management options.
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.