SparkFun À La Carte
I'm sure it will get better over time (assuming the blocks are algorithmically placed), but this example board does not inspire much confidence:https://cdn.sparkfun.com/assets/custom_pages/9/2/5/alc-block...I assumed there would be some "person behind the curtain" to this, as well (design checking, touching up connections, making the board look a bit nicer).