utmapp/UTM
UTM is a QEMU-based system emulator and virtual machine host for iOS, macOS, and visionOS, supporting 30+ processors including x86_64, ARM64, and RISC-V so users can run Windows or Linux on their devices. Its UTM SE edition uses a threaded interpreter instead of JIT, allowing sideloading without jailbreaking. It is Apache 2.0 licensed but bundles some GPL components.
What this means for indie developers：Useful reference for working around iOS JIT restrictions with an interpreter and for handling mixed open-source licensing when distributing.