Jumping right in. Great that you bring Devcoin back to the forefront. In some way Devcoin could be regarded as a spiritual predecessor of Steemit: by the community for the community. Although much more loosely organised, Devcoin also had a website for writers to post articles and earn Devcoins, called Devtome. Writers and artits earned Devcoins for creating value (items/services etc).
As a matter of fact, the Devcoin community recently started an initiative to relaunch this coin. If you are interested, you can visit the official Bitcointalk thread here.
I do not know whether the listed exchanges are still valid. Cryptsy is gone for sure. The active exchange for Devcoin currently available is https://www.coingather.com/
I would love to see this coin get some more attention again as 'community coin'.