| worded time | display time in words by lighting up letters |
| decimal time | display time in analogue decimal format |
| subsquare | maidenhead locator system; any length locators |
| xor encrypt | en/decrypt text and data via bit-wise xor |
| adjective-noun | adjective-noun generator with >12000 words |
| cheezy | puzzle game; clear the grid of cheese |
|
| fireworks | hanabi card keeper and basic logic handler |
| github | @jkoop |
| stack exchange | @jkoop |
| wikipedia | @jkoop |
| amateur radio | va4jdk in the en19 square |
| gpg key | 0xb2d0c6242d5ac1ff |