LiCe is a powerful but easy-to-use script for the EPIC IRC client. It has many powerful features, including flood protection, userlists (and shitlists), automatic checking for updates, and per-channel settings.
Bitcart is a flexible e-commerce shopping cart application that allows you to start selling online quickly and inexpensively. It does not require technical expertise to manage. It also offers a variety of marketing tools, such as discounts and gift certificates.