What is Koha?

From koha.org :

Koha is a full-featured open-source ILS. Developed initially in New Zealand by Katipo Communications Ltd and first deployed in January of 2000 for Horowhenua Library Trust, it is currently maintained by a team of software providers and library technology staff from around the globe.

Koha Virtual Appliances

Work I have done on Koha

• Created a new Intranet Template set.
  • Being a student of interface design, I created a new Librarian interface using a tab/subtab paradigm.
• Wrote a system to handle rotating collections.
  • Koha had no system in place to track collections of items that move from library to library, so I added one.
• Wrote a system to handle Clubs and Services such as Summer Reading Clubs and E-mail Lists
  • No ILS that I know of has a built in way to handle Reading Clubs and such, so I added one to Koha.
• I’ve also added scores of bug-fixes, small features, and interface tweaks.