Tiny dependency-free wire-framing codec: CRC-32 length-delimited typed frames with an incremental, resynchronizing StreamParser for carrying messages over any raw byte stream (USB/CDC/socket/UART)
Flash core-dump access (crash summary / report / raw ELF image / erase) plus a framed stream service for inspecting crashes over USB / WebUSB / Web Serial
Tiny CLI and script interpreter for embedded systems. Under 4KB flash, zero malloc, multi-instance. Interactive command line with scriptable dispatch, single-key menus, and pass-through mode.