I’m several years into Home Assistant now and browse the forum most days, though this is my first post. A frustration which I think a lot of people share is with the documentation. We are urged to read the docs and they really are extensive and helpful, but they can also be very hard to navigate.
I have created an A-Z index which I hope people will find useful occasionally - particularly perhaps newcomers.
Nothing original here, just a collection of links, but a-z is second nature to everyone.
Updating
Currently being updated once a month (shortly after each new release). This includes a broken link check. Where possible, links are to pages rather than anchors within pages, so they should not be affected by changes to the content of the documentation.
There are bound to be omissions - the index includes a request form for missing items.
Note: the index does not include links to vendor- and device-specific implementations. Home Assistant have their own index here.