Is Radworks/$RAD still a thing?

First, to make this clear: The Radicle network is not dependent on any blockchain technology, you can use it without holding any cryptocurrency/token. You do not need a wallet. You just need to generate an Ed25519 keypair for yourself.

Radworks and RAD are still a thing, and the last vote (https://community.radworks.org/t/3698 and https://community.radworks.org/t/3703) was to fund Radworks App (https://radworks.org/app), Drips (https://www.drips.network/), Radicle Garden (https://radicle.garden/).

Radicle development is funded by the Better Internet Foundation (https://betterinternet.foundation/), previously called "Radicle Foundation".

RAD "tokenomics" are discussed here: https://community.radworks.org/t/3645/