Welcome to the ERIKA Enterprise v2.x website!

Erika Enterprise is an open-source OSEK/VDX Hard Real Time Operating System (RTOS).

Erika Enterprise is the first open-source Free RTOS that has been certified OSEK/VDX compliant! (More info on the OSEK/VDX Certification here).

This website is dedicated to ERIKA Enterprise V2.x. For ERIKA Enterprise V3.x, please follow this link.


Main Features:

  • Hard Real-Time support with Fixed Priority Scheduling and Immediate Priority Ceiling;
  • Support for Earliest Deadline First (EDF) and Resource Reservation Schedulers;
  • 1-4 Kb Flash footprint, suitable for 8 to 32 bit microcontrollers;
  • Support for multi-core platforms;
  • Support for stack sharing among tasks;
  • Easy configuration using RT-Druid with Eclipse plugins;
  • Open-source: GPL2+Linking exception for the kernel, EPL for the Eclipse plugins.

D​ownload & Docs:


Development Environment:

Code Generation Tools:

Certifications, tests, benchmarks: