A selection of blocklists for uBlacklist. Includes AI generated content sites, website clones, specific problem sites (like Pinterest), spam and SEO sites. Each appears to have its own Git repo.
Each list appears to have wildcarded URLs in it (e.g., *://algebra.com/*), which might or might not be useful in other contexts.
A simple-to-use network-wide ad- and tracking blocking system. Set up something like a single-board computer (a spare RasPi or old laptop is fine), run the script, and it converts it into a DNS-level adblocking system. Then configure your local router to use it as its upstream DNS instead of your ISP. Has an easy to use and interpret dashboard. Also has a REST API but I haven't experimented with it yet.
A website that can extract many different sorts of information pertaining to IP addresses and networks, least of all querying several dozen blacklists to see if an address has been flagged as a spammer's.
Harakiri Mail is an online service which allows anyone to create disposable e-mail addresses which are deleted after 24 hours. You can view the message with a web browser, walk away, and never worry about the address again. They have browser extensions which automate the process somewhat if you have great need for lots of disposable addresses.
Each disposable inbox has its own RSS feed: https://harakirimail.com/rss/username