It’s COMMUNITY source, not just open source.

It’s backed by hundreds of large and small institutions worldwide - not the chaotic meritocracy that defines most open source projects

Sakai is organized through the well-funded Sakai Foundation with an elected Board, full-time professional staff including a product manager, a ten-member Product Council and a dedicated Quality Assurance Program.

There are no licensing fees - use it, customize it, improve it, share it. No fees!