ruby on rails

Not long ago, Mastodon, an open source, federated alternative to the proprietary network-effect wunderkind, Twitter, came out of no where.

At the OERu we have two separate instances of market category leading Discourse Forum: one for OER partner and contributor collaborators and the other for learners. These days, online forums are seen as a bit old-school: fuddy-duddy. From my point of view, however, Discourse is "Forum-NG" (a Next Generation forum).