The Linux keyboard and console HOWTO
The LDP keyboard and console HOWTO. WMKeyboard
A WindowMaker dockapp that allows users create and apply keyboard maps. It also acts as a switch between two keyboard maps of choice. XKeyCaps
A graphical front-end to xmodmap. It opens a window that looks like a keyboard; moving the mouse over a key shows what KeySyms and Modifier bits that key generates. Clicking on a key simulates KeyPress/KeyRelease events on the window of choice. Keyboard mappings (Backspace & Delete)
For Linux Laptop at Linux Tips and Tricks. Fixkeys
Description and fix of problems with keys like backspace and home in console, X, terminal emulators, editors and applications.