Build your spacecraft software on a stable, secure foundation with confidence.

• TSEL is an enhanced security Linux® OS for embedded devices, tailored for satellites and spacecraft.
• We’ve prioritized security, allowing you to focus on mission requirements.

TSEL makes it easier for spacecraft developers to build systems on a secure, reliable, hardened, operating system.

• We provide a security hardened operating system designed to protect onboard embedded microcontroller operating systems.
• TSEL is key part of a comprehensive cybersecurity system.