This is a list of simple yet useful tools I created. Feel free to use them.
At the moment they are all for free.
Some are deployed in this website, some have the honor of their own website, and some are simply a link to the code
There is FindYT a Youtube Search.
There is BIP-39-Simple-Words-Generator some code to create your mnemonic passphrase for bitcoin.
There is a tool to rotate around a space axis a short movie. So now you can see it as space time movie instead of space space.