Catznip Second Life Viewer - Catznip is graphical client for Linden Lab's user created 3D virtual world, Second Life.
Dozuki - Dozuki is a web-based tool for creating and distributing step-by-step documentation.
Second Life Viewer - Download Second Life from the official site here.
ClassVR - VR Training Simulator
Singularity Viewer - Singularity Viewer is a client program for Second Life.
ScreenSteps - IT Training Docs For Your Cloud Implementation. Use ScreenSteps when your company implements new cloud technology and you need training docs