trakt helps you keep a record of what TV shows and movies you are watching. Based on your favorites, trakt recommends additional shows and movies you'll enjoy!
Simkl is a TV, anime, and movie tracker that keeps a history of all the shows and movies you watch in one, central location. It’s a mobile app, a website, Google Chrome extension to keep track of everything you watch and integrates with many TV apps.
OpenFLIXR Media Server is an all-in-one media server for automated downloading and serving media. Tools like CouchPotato, SickRage, Headphones and SABnzbd to download and Plex Media Server to bring everything to your screens.
SyncLounge (Previously PlexTogether) is a tool to sync Plex content across multiple players in multiple locations.