Paywall removal tool. These seem to be a bit of a moving target (or rather the success with which they work is), so it's good to have a collection of them.
Dark Patterns at Scale: Findings from a Crawl of 11K Shopping Websites
Interesting site/paper detailing instances of "dark patterns" in online retail. Instances of website design that seek to manipulate the customer into doing things they may not have wanted or intended.
Site that sort of provides active JavaScript notebooks, with a view to doing most/all of the work on the client side. I was sort of hoping there'd be a self-host option or something and I'm not seeing that. On the other hand it could be a good tool for tinkering with and prototyping code.