Random Tangent Press
randomtangentpress.com

ALLi - The Alliance of Independent Authors
https://www.allianceindependentauthors.org

Grammar Girl - Quick and DirtyTips
https://www.quickanddirtytips.com/grammar-girl

DIY Book Formats (Derek Murphy)
https://diybookformats.com/

Jutoh - Ebook Editor
https://www.jutoh.com/