qinit is a fast, small, simple replacement for init. It does NOT read rc.d, or init.d; rather it is configured similarly to dwm. Meant to be built against dietlibc.
AiR-Boot is a x86 boot-loader that resides completely in track 0 of the harddrive. It‘s also independent of any OS, features a BIOS-like built-in setup, is localized to German, Dutch, French, Italian, Russian (including Cyrillic) and Swedish.
A continuation of the Small Linux Project with a new team of developers. Small Linux is a distro which is designed to run on low-spec computers (386 and 2-3 mb of ram). Built upon uClibc and Busybox.