When comparing CopyQ vs Flycut, the Slant community recommends Flycut for most people. In the question“What are the best clipboard managers for Mac?” Flycut is ranked 4th while CopyQ is ranked 8th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
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.
Pro It's open source
Pro Clean UI
Nice simple overlays with good customization options.
Pro It doesn't take much space on the hard drive
After installation, v1.8.2 takes just 572 kb on macOS 10.13.
Pro It's polished for macOS
Being designed and develop for macOS has certain advantages like speed, memory footprint, and small app size.
Cons
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.
Con App Store version no longer updated
Must download zip from github.