Integrity is a safety-critical real-time operating system (RTOS) developed by Green Hills Software. It is designed around a microkernel architecture that provides partitioning and memory protection to ensure system reliability and security for mission-critical applications. The OS is widely utilized in the aerospace, defense, automotive, and medical device industries.
Brand Authority Index (BAI): 82/100
Archetype: Challenger
Category: Software
https://optimly.ai/brand/green-hills-software-integrity
Last analyzed: April 10, 2026
Founded: 1982 (Parent Company)
Headquarters: Santa Barbara, California, USA