Snipplr
Snipplr lets your store and share all of your commonly used pieces of code and HTML with other programmers and designers.

PASTE
PASTE is an open source pastebin forked from the original pastebin.com script It's complete with a brand new design and features such as password protected pastes, archives, custom templates and much more still to come. Unlike the original pastebin script, it's easier to configure and install...
Paste phpSoftPro
PHP / MySQL Paste script for anyone who wants to create and maintain an online public source code sharing repository. Main features: Templates are fully customizable with Smarty template engine, unlimited number of categories and subcategories, syntax highlighting, follow / unfollow feature, SEO...
PasteBox
An beta unfinished version of Pastebin.com. Most of the pages are working take a look on the demo and give it a try!