Gremln

Gremln is a St. Louis startup offering basic publishing platform for Facebook, Twitter and LinkedIn. One area of focus is compliance. The platform includes a compliance package that includes approval workflow, keyword filtering, and message archiving. They are also currently working on a Listening / Sentiment Analysis module. Gremln offers a basic free edition and paid plans start at $6 / moth and go up to $99 / month.

Gremln starts at $6.

Hearsay, now part of Yext and Buffer are common alternatives for Gremln.