Widely used commercial systems that provide functionality comparable to the Electronic Classroom tool include:
Each of these systems provides a wide vaiety of virtual classroom functionality. In terms of such functionality, the goal for the Electronic Classroom tool is to provide the important core features found in these tools, not the full range of features found in all of them. The goals for the Electronic Classroom relating to public domain source code and sound pedagogical development are not met by any of the above commercial systems.
A detailed review of each related tool follows in these subsections:
Following these reviews, a summary of the features is provided in a feature comparison matrix.