Educators looking for OpenSim alternatives to Second Life are currently limited to ReactionGrid or Jokaydia Grid, which is operated by ReactionGrid - or have to set up their own grid.
That changed this week when Houston-based FireSabre Consulting, a virtual world developer focused on educational and non-profit clients, launched its own Starlight grid.
Staff ICT trainer at an independent K-12 school who had explored Quest Atlantis, OpenSim and Second Life Teen Grid. She has just esablished virtual 3D space for their school with OpenSim + ReactionGrid.