1)   ClipMate Clipboard Extender 7.2.03
Popular Clipboard Extender Holds Thousands of Clips, across reboots. Searching, Screen Capture, editing, re-formatting, combining, change case, drag and drop, encryption, internet features, E-Mail clean-up, and even a spellchecker!

 2)   AceText 2.1.4
Extends the Windows clipboard, enabling you to copy and paste like never before. Take notes, jot down ideas and keep important information at your fingertips. Quickly communicate with standard messages and templates. Easily edit complex documents.

 3)   AccelClip 3.0
This universal and secure clipboard extension tool is combined with a file viewer and can be used as a regular clipboard, a password manager, templates storage, forms filler, viewer of documents (40+ formats) with copy/paste options, etc.

 4)   Many Paste 1.0.0.0
The problem with the Windows clipboard is that you can only copy once before pasting , Many Paste solves such problem by keeping track of all your copied items and giving you quick access to them saving your time while working with copying.

 5)   xNeat Clipboard Manager 1.0.0.3
Windows clipboard has the disadvantage that you can only copy once before pasting, xNeat clipboard manager solves such problem by keeping track of all your copied items and giving you quick access to them saving your time while working with copying.