Alfred is a productivity application for Mac OS X, which boosts your efficiency with hotkeys, keywords and text expansion.

CopyQ is a clipboard Manager with Advanced Features.

Jumpcut is an application that provides "clipboard buffering", that is, access to text that you've cut or copied, even if you've subsequently cut or copied so…

1Clipboard is a universal clipboard managing app that makes it easy to access your clipboard from anywhere on any device.

Paste is a clipboard history management app for Mac.

PhraseExpress manages frequently used text snippets and email signatures.

ClipMenu can manage clipboard history.

Flycut is a clean and simple clipboard manager for developers. It based on open source app called Jumpcut.

ClipboardFusion makes it easy to remove clipboard text formatting, replace clipboard text or run powerful macros on your clipboard contents.