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 55 (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/psalm-55
Analysis by C. J. Labuschagne: https://www.labuschagne.nl/ps055.pdf
William Barrick’s notes: https://drbarrick.org/files/studynotes/Psalms/Ps_055.pdf
Psalm 55 devotional: https://www.generations.org/devotionals/68