The good:

Introduction to Classical & New Testament Greek: A Unified Approach by Michael Boler

Introductory Koini Greek with Fr. Silviu Bunta

Reading Koine Greek An Introduction and Integrated Workbook by: Rodney J. Decker

Biblingo

Monday with Mounce – Every Monday during the school year Bill Mounce blogs on some topic of interest to first and second-year Biblical Greek students

* * * * *

The ok:

The Great Courses – Greek 101: Learning an Ancient Language (Homeric & NT Greek)

A Digital Tutorial For Ancient Greek Based On John William White’s First Greek Book (Attic Greek)

https://bhacademic.bhpublishinggroup.com/beginninggreek/

Learn to Read New Testament Greek by David Alan Black