Assemblive is a virtual meeting environment from the French social Web applications company A World for Us. Assemblive currently offers customers a choice of environments, but customizable environments are under development. It's based on the popular Unity 3D platform, so many users will already have the plugin installed. Navigation is simple – just point and double-click on a location to move there, or on a chair to sit down. Avatars automatically walk around obstacles.
The platform is free for single meetings, and can hold up to 100 simultaneous visitors.