Apex

Features

• Implements a subset of the Linux syscall interface.
• Uses the musl C library.
• Monolithic architecture (as opposed to microkernel).
• Open source & royalty-free.
• Secure & reliable.
• Small, efficient, and easy to understand.
• Binary compatibility with Linux (using musl libc).
• Development can focus on the kernel as userspace tools & libraries are provided by external projects.