This post describes some of my favorites of the less well known brush markers and are some of the best pens I've found for brush lettering.
24x Marker Paint Pens Set Permanent Dual Brush Tip Markers Point for Art Project
10 Best Brush Pens For Calligraphy Beginners
Brush Pen Favourites - The Happy Ever Crafter, Zebra Brush Pens
Kawaii Manga Dual Tip Brush Pen with duck mark 3 Highlighter School Supplies Stationery Gift Christmas - AliExpress
Self-Moistening and Self-Cleaning Flexible Nylon Bristles: You don't have to moisten or clean the bristles of our markers for artists after blending
ARTEZA Real Brush Pens, Set of 12, Pastel Tones, Blendable Watercolor Markers and 1 Water Brush, Art Supplies for School, Home, and Office
AEDAGA 120 Colors Numbered Dual Tip Brush Pens with Free App, Fine and Brush Tips Colored Pens for Adults and Kids, Coloring Markers for Coloring Book Bullet Journaling Note Taking Hand Lettering
Soucolor Art Brush Markers Pens for Adult Coloring Comoros
Calligraphy Art
More of My Favorite Brush Pens for Calligraphy - An Artful Mom