It is free and open source software released under a GNU General Public License (GPL).

Also, ERIKA provides other custom conformance classes named FP (fixed priority), EDF (earliest deadline first scheduling), and FRSH (an implementation of resource reservation protocols).

Due to the collaboration with the Tool & Methodologies team of Magneti Marelli Powertrain & Electronics, the automotive kernel (BCC1, BCC2, ECC1, ECC2, multicore, memory protection, and kernel fixed priority with Diab 5.5.1 compiler) is MISRA C 2004 compliant using FlexeLint 9.00h under the configuration suggested by Magneti Marelli.

ERIKA Enterprise began in the year 2000 with the aim to support multicore devices for the automotive markets.

Version 3 of the RTOS (also called ERIKA3) is released under plain GNU General Public License (GPL), with the linking exception sold on request.