I have been 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 53 (in no particular order). Feel free to mention any that you find helpful in the comments section.
Into the Word with Paul Carter: https://ca.thegospelcoalition.org/into-the-word/psalms-52-54
Analysis by C. J. Labuschagne: https://www.labuschagne.nl/ps053.pdf
William Barrick’s notes: https://drbarrick.org/files/studynotes/Psalms/Ps_053.pdf
Psalm 53 devotional: https://www.generations.org/devotionals/66
Psalm 53 in canonical perspective: http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S1010-99192013000300004