Get Pathfinder on Hero Lab Online with Humble Bundle — GeekTyrant

Paizo's Humble Bundle includes the 2e core rules for a couple of quid

Humble RPG Bundle: So You Wanna Try Out Pathfinder by Paizo

Get Everything You Need for PATHFINDER SECOND EDITION with New Humble Bundle — GeekTyrant

Essential Character Management Tools for Pathfinder (pay what you want and help charity) : r/humblebundles

Giant Pathfinder Humble Bundle: Lost Omens Lore Archive

Humble Bundle RPG offer lets you catch up with Baldur's Gate series to date

Pathfinder Monster Lore rocks up at Humble Bundle

Humble] RPG Book Bundle: Pathfinder Monster Lore (€4.21 Classic Horrors Revisited, 6 more books, €8.42 Classic Monsters Revisited, 9 more books

Humble Book Bundle – So You Wanna Try Out Pathfinder – The Kind GM

Humble Book Bundle: Pathfinder Tales by Paizo