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 117 (in no particular order). Feel free to mention any that you find helpful in the comments section.
Analysis by C. J. Labuschagne: https://www.labuschagne.nl/ps117.pdf
William Barrick’s notes: https://drbarrick.org/files/studynotes/Psalms/Ps_117.pdf
John Piper, Everlasting Truth for the Joy of All Peoples: https://www.desiringgod.org/messages/everlasting-truth-for-the-joy-of-all-peoples
“Praise YHWH All You Nations”: Psalm 117 by Marc Zvi Brettler: https://www.thetorah.com/article/praise-yhwh-all-you-nations-psalm-117
Danny Akin (outline, manuscript, audio): https://www.danielakin.com/a-little-psalm-with-a-big-message-through-the-psalms-series
Psalm 117 devotional: https://www.generations.org/devotionals/181