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