I am working on a commentary on the Psalms. I have decided to compile some helpful links that I discovered during my research. It includes a mix of exegetical and sermonic links. Here is what I have for Psalm 90 (in no particular order). Feel free to mention any that you find helpful in the comments section.
Ray Stedman., “A Song of Realities,” Psalm 90: https://www.raystedman.org/old-testament/psalms/a-song-of-realities
Analysis by C. J. Labuschagne: https://www.labuschagne.nl/ps090.pdf
William Barrick’s notes: https://drbarrick.org/files/studynotes/Psalms/Ps_090.pdf
Psalm 90 devotional: https://www.generations.org/devotionals/103
Daniel Akin sermon resources: https://www.danielakin.com/who-is-god-and-what-is-man-through-the-psalms-series