This is horribly out of date and in the process of being updated (it's now 2020! 🤦🏻‍♂️) but for now, harken back to the pre 2013's, with things like:

7 Words You Can Say On Twitter

Sadly, this is no longer live - but there's an explanation of what it was on the blog, as well as a page picking out some of the highlights from the 6 months or so that it was running: facts and figures of naughty words on twitter. Fairwarning, there's a lot of swearing.

Colour Pickr

Originally called 'Pantone Pickr', this was a tool I built to tell you the Pantone src of any colour you passed to it.

It worked quite nicely, until those meddling lawyers from Pantone got involved with a cease and desist, so now it's generic colour picker.

There's also a lengthy explanation of what it is and how I built it over on the blog.