Board & Card Games Stack Exchange is a question and answer site for people who like playing board games, designing board games or modifying the rules of existing board games. It only takes a minute to sign up.
There doesn't exist anything that fulfills all your requirements, but there are several good options that comes close. One of the reasons are licensing, if anything outside the SRD are to be legally included. What you are looking for is called a Virtual Tabletop (VTT) environment, and here are four that comes close:
PF SRD and character sheet support for both 1E & 2E, limited modules & sourceboks
Beyond these options with official support from Pazio and content available, you can look at other VTTs that simply have the online rpg framework to play with, but might lack pathfinder-specific help. For some of the smaller VTTs you might need to created yourself, and the available community/documentation will be much smaller. There are VTTs with 3D environments available.