This is a screencast tool to display pressed keys, inspired by Screenflick.
Its most notable features are:

  - Several keyboard translation methods
  - Key composition/input method support
  - Configurable font/size/position
  - Highlighting of recent keystrokes
  - Improved backspace processing
  - Normal/Emacs/Mac caps modes
  - Multi-monitor support
  - Dynamic recording control
  - Switch for visible shift and modifier sequences only

WWW: https://www.thregr.org/~wavexx/software/screenkey/