definitely yes.
I use it myself several times.

so is [AMP](https://github.com/lightning/bolts/pull/658) another one that should be in the list above?

deSign_r

Keysend is expected to be deprecated in favor of a more well-developed spontaneous payment solution like Offers or AMP

https://github.com/lightning/blips/blob/master/blip-0003.md#keysend-drawbacks

https://bitcoin.stackexchange.com/questions/100271/is-lightning-offers-an-improvement-over-key-send

lightning

How do you like to send sats over the Lightning Network?

Unfortunately...

>Keysend is expected to be deprecated in favor of a more well-developed spontaneous payment solution like Offers or AMP

Source: https://github.com/lightning/blips/blob/master/blip-0003.md#keysend-drawbacks

Also a good question here:
https://bitcoin.stackexchange.com/questions/100271/is-lightning-offers-an-improvement-over-key-send