The Sugar Platform Stack describes the core part of the Sugar Application Stack: between an operating system and the individual activities are the Sugar Framework (known as Glucose) and the Sugar Software Stack (the upper part of Ribose - roughly GNOME Mobile. See 0.86/Platform_Components.).

The Sugar Platform Stack is a versioned implementation of Development_Team/Architecture.

Interfaces provided to activity developers

This section attempts to describe the major Activity development stacks available in the OLPC Sugar environment.