Andor’s Trail - RPG where you search for your missing brother. Still under development, but there’s a lot of content. It’s convenient to fill a few spare minutes or waste hours.

I believe you can do this with DAVx5. I have calendars syncing to fossify with it.

Most of the US is ‘at will’ forever for almost any job.

Simon Tatham’s Portable Puzzle Collection includes a game very similar to nonocross, as well as about 40 other puzzle games you might also like.