NetX provides a drop-in replacement for javaws (Java Web Start). Since upstream NetX is dead, the IcedTea Web project is hosting a fork of the original code. However, as icedtea-web has evolved to complex set of tools, extensions and tests, it has now only a few lines of code shared with the original implementation.

TextEdit is a relatively basic text editor. It handles plain text, RTF, and RTFD has a nice "Wrap to Page" mode, has search/replace functionality, and can display any file as text.

You must clear a spaceship from all droids. To achieve this your device will need to take control of more powerful droids, more able to confront the most powerful ones. But you'll also need to manage your energy, as you won't be able to control any droid for an indefinite time, and even your own device has a limited lifetime.

Trackballs is a simple game similar to the classical game Marble Madness on the Amiga in the 80's. By steering a marble ball through a labyrinth filled with vicious hammers, pools of acid and other obstacles the player collects points. When the ball reaches the destination it continues at the next, more difficult level - unless the time runs out.

"Defendguin" is based loosely on William's classic arcade game, "Defender." Some recognizable stars in the realm of modern operating systems should be fairly obvious.

jq is like sed for JSON data – you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text.