Shorten time-to-context on large codebases.
Pedagogical exploration, not just raw browsing.
Grounded in LSP and MCP, not black-box explanation.
torvalds/linux
Linux kernel source code, with kernel architecture, system calls, device drivers, and core subsystems.
apple-oss-distributions/xnu
Apple's XNU kernel, the hybrid Mach/BSD core powering macOS and iOS. Study Mach IPC, virtual memory, I/O Kit drivers, and the BSD subsystem.
mrcxlinux/srv03rtm-anika
Windows Server 2003 source tree, with focus on its build layout, core subsystem families, and server-oriented components.
freebsd/freebsd-src
FreeBSD source tree, focused on the kernel, boot path, device drivers, networking stack, VM, VFS, and release-engineered base system.
ghostbsd/ghostbsd-src
GhostBSD core operating system source, a FreeBSD-derived tree tuned for desktop use and hardware support.
nextbsd-redux/nextbsd-kernel
NextBSD kernel patch and configuration repository, layering Mach-oriented behavior and NextBSD policy on a FreeBSD kernel base.
littlekernel/lk
LK, a small SMP-aware embedded kernel used in bootloaders and bring-up environments across many architectures.
seL4/seL4
seL4, the formally verified microkernel with a capability-based kernel model, generated ABI bindings, and architecture-specific ports.
reactos/reactos
ReactOS, a Windows-compatible open source operating system focused on NT kernel, Win32, and driver compatibility.
python/cpython
Python interpreter source code, from bytecode execution to garbage collection and runtime behavior.
bminor/glibc
GNU C Library source code, including standard C library implementations, system calls, and POSIX compliance.
llvm/llvm-project
LLVM compiler infrastructure, including compiler design, optimization passes, and code generation.