There are numerous Force religions and philosophies in the Star Wars galaxy of both light and dark standing.
True, but almost all of those organizations are limited to very small areas of the galaxy, and are nowhere near as prominent as the Jedi (or Sith, depending on the timeline).
"There is something going on in time and space, and beyond time and space, which, whether we like it or not, spells duty." -Winston Churchill
"For of all sad words of tongue or pen, The saddest are these: 'It might have been!'" -John Whittier
"Apathy is death." -Kreia