If you like the idea of Tezos, have a look at Cardano. It has on-chain governance voting, formal verification, and the ability to upgrade the protocol without the need for hard forks. Basically, all the stuff that got me interested in the Tezos project.
https://www.cardanohub.org/en/what-is-cardano/
In the interest of full disclosure, I do own some Cardano.