Erika Educational is a a fully fledged and fully functional real-time operating system (RTOS) for embedded devices.
Erika Educational is a reduced GPL-licensed release of Erika Enterprise: ideal for educational purposes, free software, and available for download at no cost.
Erika Educational should not be seen as a reduced set of Erika Enterprise. Therefore, please do not consider Erika Educational for evaluating the characteristics and performance of Erika Enterprise. While the two originated from the same source code base, Erika Enterprise has been completely redesigned and rewritten to meet industrial needs, whereas Erika Educational have been adapted to 8 bit educational architectures.
Impressions based on Erika Educational should not be applied to Erika Enterprise, as their feature sets are different, and they are, in practice, two different projects, with two different code bases.