Copia is a smart clipboard manager for Mac
Multicopy is a usability browser extension both for Chrome and Firefox, which lets you to copy multiple texts and avails them in right click menu. Paste any of the text in any input field.
To Copy: Right click on selected text -> Multicopy -> Copy this!
To Paste: Right click on text area -> Multicopy -> Select the entry
Clipboard History lets you to manage easier your Clipboard daily. Each data you copy in the clipboard of your smartphone or tablet is saved by Clipboard History. Then, you have just to open Clipboard History and search for the data you want to retrieve.