- OP-TEE OS/Kernel, which supports virtual address space isolation, privilege isolation, and works in event-driven model by the request from the Rich Execution Environment (REE) world.
- Drivers for Linux* Kernel
- Libraries for Client applications and Trusted applications
- Hypervisor that utilizes Intel® Kernel Guard Technology (Intel® KGT), which was open sourced in 2015 by Intel.
More information on Linaro OP-TEE can be found here: https://www.op-tee.org/