Pathfinder & TRPG Resources

Pathfinder-specific

Every Pathfinder book, both from Paizo and from others: PF Trove
Official Pathfinder reference document: Paizo
Unofficial, but more comprehensive and without official names, SRD: d20pfsrd
Unofficial SRD with official names included: Archives of Nethys
Best reference site for Golarion-specific information (including deities): PathfinderWiki
Databases of PF information & some Golarion-specific classes: PathfinderCommunity
Release schedule: Here (unoffiical) or here (official)
Pathfinder Autosheet v5.2.4 (the version I use): v.5.2.4
Pathfinder Autosheet v6.1 (the most updated version): v6.1
Helpful datasheet, includes all languages, deities and their favoured weapons, race info, etc: Datasheet
Quick reference for common roll DCs and skillcheck types: GM Cheat Sheet

General GM-specific resources

A series of random generators for use mid-session: Auto Roll Tables
More random generators, including map generators and name generators: Donjon
Keeping notes mid-campaign (if not using here): OneNote

Music

Setting up a music-player for Teamspeak: here
List of music I use/am planning on using: Han's Music Doc
Streamable background noises - Tabletop Audio
Lots of MMO/Game music - MMO Music
Random fantasy-appropriate music - Soundcloud
Lots of appropriate music -Soundcloud
Background music - Soundcloud
Fantasy/celtic/viking-inspired - Soundcloud
The runescape soundtrack - Runescape OST
SFX/appropriate music - Soundcloud
A MASSIVE dialogue/overworld/tavern/city/etc playlist - Soundcloud
A MASSIVE playlist for combat/dungeons - Soundcloud
Very well-done orchestral music (some 8bit too!) from Guild Wars 2 - Arenanet's Soundcloud