Features:
Free and open real-time Operating System
Specially designed for Cortex-M series
Scalable, minimum system kernel is only 974Bytes
Adaptive Task Scheduling Algorithm.
Supports preemptive priority and round-robin
Interrupt latency is 0
Stack overflow detection option
Semaphore, Mutex, Flag, Mailbox and Queue for communication & synchronisation
Supports the platforms of ICCARM, ARMCC, GCC