Cartography & World-Building Brushes for Photoshop
A fantasy cartography and world-building starter brush-pack with 98 Photoshop brushes available securely on Gumroad for $3 USD:
Calligraphy Brushes For Photoshop
A hand-written Uncial calligraphic Photoshop brush pack* consisting of 116 total brushes of three different alphabet sizes (3mm, 2mm, 1mm):
*Note: These are in an .abr Photoshop brush format, and are NOT available as a font.