I know it's proprietary, it isn't my language of choice, but it's a lot better than GNU APL. If they really want something open source and good, J, open source

I know it's proprietary, it isn't my language of choice, but it's a lot better than GNU APL. If they really want something open source and good, J, open source ks, or BQN will be better. But if you're suggesting an APL dialect, Dyalog is much better than GNU despite being proprietary.