This project is inactive but an alternative right now is ISP
This plugin is an extension of the Individual Signs plugin, by blablubbabc. It adds several extra player-specific modifiers for signs.
This Plugin currently has no Config or Commands.
Create signs with custom "modifiers" by placing them in the signs. Modifiers display different information to different players. For example, the [PLAYER] modifier displays the name of the player viewing it. This was built into the original plugin. The modifiers built into this extended plugin are detailed below. Right click on a sign for it to update.
INBUILT
VAULT
More coming soon! Have a good idea? Post it in the comments below.
http://i.imgur.com/k8HnFE0h.png" alt="Use of [TIME] modifier">

More Pictures: http://imgur.com/a/tp9AR