Decred was created in 2013 as "bitcoin but with governance". You can earn it through both proof-of-work AND proof-of-stake mining. Users who participate in proof-of-stake mining can vote on proposals such as this one. (Their voting power is roughly equivalent to how many DCR they've locked up.)

It got a lot of attention when Bitcoin was having its block size limit controversy around 2015 (which led to the fork between bitcoin/bitcoin cash).

Decred is a cryptocurrency who’s core offering is an expanded governance system. Although at the top it’s pretty much run by the company right now.

Decred is a SOV crypto. It has governance, a treasury fund, staking rewards. It has a very low supply. So much of it is locked into the staking pool.