Guitar Scale Expert is a dictionary of 53 different scales you can use for your guitar. It features allows you to view, listen to, and print every scale, and includes a guitar tuner.
Ehcache is a standards-based cache used to boost performance, offload the database, and simplify scalability. It is robust, proven, and full-featured, and has hundreds of thousands of production deployments.
A program to create animations for paper and transparency.
A library to use Gettext .mo and .po translations easily in .NET applications.