Hengstenberg is a reformed theologian, and Hengstenberg Commentary is a set of classical commentaries.
Although I could not find a lot on Meyer, I would believe he is a dutch divine, probably Reformed in his outlook. Meyer Critical and Exegetical is going to be technical.
In this theword module, we present the expositional commentaries of C.H. Spurgeon, famous Baptist Reformed preacher and pastor of yesteryear. It is a Reformed Commentary.
Calvin Commentaries on several books of the Bible.