DroidShows - TV series browser and tracker
Trakt.tv - Automatically track TV shows & movies you're watching.
TitanTV - TitanTV is a website which offers free, customizable TV channel listings.
TV Time - TVShow Time is the place to track and watch your favorite TV shows and movies
tvcmd - tvcmd is a command line interface (CLI) to keep track of tv shows and episodes. It has the functionality of myepisodes.com followmy.tv or mytvshows.org but for the command line, allowing greater flexibility like automatic torrent urls.
Simkl - 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