Virtual Frog Dissection - This app for stress free dissections and/or a quick refresher course on frog dissections. It claims to have a cheap desktop app, too.
Step-by-step dissections with 3D images that can be rotated. Seven dissections, but none of them are frog.
This is a pretty simplistic version of a virtual dissection. It's more of a button click and watch style than interactive.
Virtual Pellet. Everyone should experience the fun and discovery of dissecting an owl pellet. Kids and adults alike can dissect a pellet online and learn many of the bones found inside a real pellet.
A software company dedicated to providing engaging science simulations, dissections and labs. This page has pricing and a link to demos.