8 Lync Tools you can use for free, my favorite tool is the Conversation Translator which is a great usage case scenario for English as a Second language in schools or other business that need to communicate to various languages and countries.

Check out the 8 tools which are: 

IM an Expert

Conversations Analyzer

Conversation Translator

Information Dashboard

Tabbed Conversations

Group Chat Stress

Lync Custom Intranet Site

Lync How-to

Download all 8 of these great tools here:

http://lync.microsoft.com/Adoption-and-Training-Kit/tools-and-apps/Pages/Overview.aspx