For your consideration…
First there was Wikipedia, the global collaborative encyclopedia of virtually everything worth knowing — and, admittedly, a lot we'd be better off not knowing. Then there was open-source software — free, downloadable software that is also part of a collaborative effort. Now we have the Chabanel Psalms, which might be described as an open-source liturgical psalter.
Although the Chabanel Psalms are composed with the liturgical standards of the Roman Catholic Church in mind, there is in principle no reason why the Reformed churches could not make good use of them. After all, we have our own share of "malignant" musical settings crying out for better-quality replacements. Furthermore, there is no canon requiring us to sing only metred psalms. Chanting the psalms would certainly suffice and might even have an advantage in that it requires no alteration of the texts. It's worth a try. Here are four examples below: