Note Offbeatr

cf. gratipay/gratipay.com#3032 (comment)

www/appendices/see-also.spt

@@ -94,3 +94,4 @@ and [crowdsourcing.org's](http://www.crowdsourcing.org/directory)*
  - [Goteo](http://www.goteo.org/) -  a social network for crowdfunding and distributed collaboration
  - [Fairtoearth](http://fairtoearth.com/) - A monetary tool focused on building a new postcapitalist economy.
  - [Recurrency](https://recurrency.us/) - Support and connect with the creators you love every week
+ - [Offbeatr](http://offbeatr.com/) - support interesting adult projects; purchase adult content from independent sellers